{"id":18984,"date":"2025-07-06T20:35:04","date_gmt":"2025-07-06T13:35:04","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=18984"},"modified":"2025-07-06T20:35:04","modified_gmt":"2025-07-06T13:35:04","slug":"axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/","title":{"rendered":"Axit photphoric (H3PO4) l\u00e0 g\u00ec? C\u1ea5u t\u1ea1o ph\u00e2n t\u1eed, t\u00ednh ch\u1ea5t, \u1ee9ng d\u1ee5ng v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Dinh_nghia_axit_photphoric_la_gi\" >\u0110\u1ecbnh ngh\u0129a axit photphoric l\u00e0 g\u00ec?\u00a0<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Tinh_chat_vat_ly_cua_axit_photphoric\" >T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a axit photphoric<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Tinh_chat_hoa_hoc_cua_axit_photphoric\" >T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a axit photphoric\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Phan_li_thuan_nghich_theo_3_nac_trong_dung_dich\" >Ph\u00e2n li thu\u1eadn ngh\u1ecbch theo 3 n\u1ea5c trong dung d\u1ecbch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Axit_photphoric_mang_day_du_tinh_chat_cua_1_axit\" >Axit photphoric mang \u0111\u1ea7y \u0111\u1ee7 t\u00ednh ch\u1ea5t c\u1ee7a 1 axit<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Dieu_che_axit_photphoric_nhu_the_nao\" >\u0110i\u1ec1u ch\u1ebf axit photphoric nh\u01b0 th\u1ebf n\u00e0o?\u00a0<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Dieu_che_axit_photphoric_trong_phong_thi_nghiem\" >\u0110i\u1ec1u ch\u1ebf axit photphoric trong ph\u00f2ng th\u00ed nghi\u1ec7m<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#San_xuat_axit_photphoric_trong_cong_nghiep\" >S\u1ea3n xu\u1ea5t axit photphoric trong c\u00f4ng nghi\u1ec7p<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Nhung_ung_dung_noi_bat_cua_axit_photphoric\" >Nh\u1eefng \u1ee9ng d\u1ee5ng n\u1ed5i b\u1eadt c\u1ee7a axit photphoric<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Ung_dung_axit_photphoric_trong_nong_nghiep\" >\u1ee8ng d\u1ee5ng axit photphoric trong n\u00f4ng nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Ung_dung_cua_axit_photphoric_trong_cong_nghiep\" >\u1ee8ng d\u1ee5ng c\u1ee7a axit photphoric trong c\u00f4ng nghi\u1ec7p<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Nhung_luu_y_khi_su_dung_axit_photphoric\" >Nh\u1eefng l\u01b0u \u00fd khi s\u1eed d\u1ee5ng axit photphoric<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Bai_tap_ve_axit_photphoric_SGK_Hoa_hoc_11_kem_loi_giai_chi_tiet\" >B\u00e0i t\u1eadp v\u1ec1 axit photphoric SGK H\u00f3a h\u1ecdc 11 k\u00e8m l\u1eddi gi\u1ea3i chi ti\u1ebft<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Giai_bai_1_trang_53_SGK_Hoa_11\" >Gi\u1ea3i b\u00e0i 1 trang 53 SGK H\u00f3a 11<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Giai_bai_2_SGK_Hoa_11_trang_53\" >Gi\u1ea3i b\u00e0i 2 SGK H\u00f3a 11 trang 53<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Giai_bai_3_SGK_trang_54_Hoa_11\" >Gi\u1ea3i b\u00e0i 3 SGK trang 54 H\u00f3a 11<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.ckconitsha.com\/vn\/axit-photphoric-h3po4-la-gi-cau-tao-phan-tu-tinh-chat-ung-dung-va-phuong-phap-dieu-che\/#Giai_bai_4_trang_54_Hoa_11_SGK\" >Gi\u1ea3i b\u00e0i 4 trang 54 H\u00f3a 11 SGK<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p>Axit photphoric (H3P04) l\u00e0 m\u1ed9t h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i nh\u01b0ng l\u1ea1i \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t, \u0111\u1eb7c bi\u1ec7t l\u00e0 s\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n v\u00e0 thu\u1ed1c tr\u1eeb s\u00e2u. B\u1ea1n bi\u1ebft g\u00ec v\u1ec1 lo\u1ea1i h\u00f3a ch\u1ea5t n\u00e0y? C\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef t\u00ecm hi\u1ec3u c\u00e1c th\u00f4ng tin quan tr\u1ecdng v\u1ec1 axit photphoric trong b\u00e0i vi\u1ebft sau!<\/p>\n<p>                                                                    <img decoding=\"async\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img_default\/monkey3.png\" alt=\"\"><\/p>\n<p class=\"title\">H\u00e0ng tri\u1ec7u tr\u1ebb em \u0111\u00e3 ph\u00e1t tri\u1ec3n kh\u1ea3 n\u0103ng ng\u00f4n ng\u1eef c\u1ee7a m\u00ecnh th\u00f4ng qua c\u00e1c \u1ee9ng d\u1ee5ng h\u1ecdc t\u1eadp c\u1ee7a Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef<\/p>\n<p class=\"description\">\u0110\u0103ng k\u00fd ngay \u0111\u1ec3 \u0111\u01b0\u1ee3c Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef t\u01b0 v\u1ea5n mi\u1ec5n ph\u00ed v\u1ec1 s\u1ea3n ph\u1ea9m v\u00e0 l\u1ed9 tr\u00ecnh h\u1ecdc cho con.<\/p>\n<p>                                                                            *Vui l\u00f2ng ki\u1ec3m tra l\u1ea1i h\u1ecd t\u00ean<\/p>\n<p>                                                                            *Vui l\u00f2ng ki\u1ec3m tra l\u1ea1i S\u0110T<\/p>\n<p>                                                                                Th\u00e0nh th\u1ea1o 2.000+ t\u1eeb &amp; 6.000 c\u00e2u ti\u1ebfng anh<br \/>\n                                                                                Ph\u00e1t tri\u1ec3n to\u00e0n di\u1ec7n 4 k\u1ef9 n\u0103ng ti\u1ebfng anh<br \/>\n                                                                                Gi\u1ecfi To\u00e1n &#8211; ti\u1ebfng Anh theo ph\u01b0\u01a1ng ph\u00e1p hi\u1ec7n \u0111\u1ea1i<br \/>\n                                                                                Ph\u00e1t tri\u1ec3n EQ &amp; kh\u1ea3 n\u0103ng ti\u1ebfng Vi\u1ec7t<\/p>\n<p>                                                                                *B\u1ea1n ch\u01b0a ch\u1ecdn m\u1ee5c n\u00e0o!<\/p>\n<p>                                                                    \u0110\u0103ng K\u00fd T\u01b0 V\u1ea5n Mi\u1ec5n Ph\u00ed<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dinh_nghia_axit_photphoric_la_gi\"><\/span>\u0110\u1ecbnh ngh\u0129a axit photphoric l\u00e0 g\u00ec?\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Kh\u00e1i ni\u1ec7m: Axit photphoric \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi c\u00e1c t\u00ean g\u1ecdi kh\u00e1c nh\u01b0: Trihi\u0111roxi\u0111ioxi\u0111ophotpho, axit phosphoric, axit orthophosphoric.\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit-photphoric-1.jpg\" alt=\"Axit photphoric l\u00e0 g\u00ec? (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc: H3PO4.<\/p>\n<p dir=\"ltr\">C\u1ea5u t\u1ea1o ph\u00e2n t\u1eed: Axit photphoric c\u00f3 3 n\u1ea5c ph\u00e2n li. C\u1ea5u t\u1ea1o ph\u00e2n t\u1eed c\u1ee7a axit n\u00e0y bao g\u1ed3m 3 ph\u00e2n t\u1eed hidro li\u00ean k\u1ebft v\u1edbi g\u1ed1c PO4.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit-photphoric-02.jpg\" alt=\"C\u1ea5u t\u1ea1o ph\u00e2n t\u1eed c\u1ee7a axit photphoric. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_vat_ly_cua_axit_photphoric\"><\/span>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a axit photphoric<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Axit photphoric l\u00e0 ch\u1ea5t tinh th\u1ec3 trong su\u1ed1t, t\u1ed3n t\u1ea1i d\u01b0\u1edbi 2 d\u1ea1ng: Ch\u1ea5t r\u1eafn tinh th\u1ec3 kh\u00f4ng m\u00e0u (tan v\u00f4 h\u1ea1n trong n\u01b0\u1edbc ho\u1eb7c c\u1ed3n v\u1edbi c\u1ea5u tr\u00fac t\u1ee9 di\u1ec7n \u0111\u1ec1u) v\u00e0 ch\u1ea5t l\u1ecfng trong su\u1ed1t (kh\u00f4ng m\u00e0u, c\u00f3 v\u1ecb chua). Th\u00f4ng th\u01b0\u1eddng, axit photphoric \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng d\u01b0\u1edbi d\u1ea1ng dung d\u1ecbch \u0111\u1eb7c, s\u00e1nh, kh\u00f4ng c\u00f3 m\u00e0u v\u1edbi n\u1ed3ng \u0111\u1ed9 85%.\u00a0<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Axit photphoric h\u00e1o n\u01b0\u1edbc, d\u1ec5 ch\u1ea3y r\u1eefa, tan v\u00f4 h\u1ea1n trong n\u01b0\u1edbc theo b\u1ea5t k\u00ec t\u1ec9 l\u1ec7 n\u00e0o.\u00a0<\/p>\n<\/li>\n<\/ul>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y: 42.5 \u0111\u1ed9 C<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Nhi\u1ec7t \u0111\u1ed9 ph\u00e2n h\u1ee7y: 213 \u0111\u1ed9 C.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u1ed1i l\u01b0\u1ee3ng ri\u00eang: 1.87 g\/cm3<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_hoa_hoc_cua_axit_photphoric\"><\/span>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a axit photphoric\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc \u0111\u1eb7c tr\u01b0ng c\u1ee7a axit photphoric m\u00e0 b\u1ea1n c\u1ea7n nh\u1edb.\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit-photphoric-04.jpg\" alt=\"T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc \u0111\u1eb7c tr\u01b0ng c\u1ee7a axit photphoric. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Phan_li_thuan_nghich_theo_3_nac_trong_dung_dich\"><\/span>Ph\u00e2n li thu\u1eadn ngh\u1ecbch theo 3 n\u1ea5c trong dung d\u1ecbch<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Axit photphoric l\u00e0 axit 3 n\u1ea5c c\u00f3 \u0111\u1ed9 m\u1ea1nh trung b\u00ecnh. Trong dung d\u1ecbch n\u01b0\u1edbc, H3PO4 s\u1ebd ph\u00e2n li thu\u1eadn ngh\u1ecbch theo 3 n\u1ea5c nh\u01b0 sau:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">N\u1ea5c 1: H3PO4 \u2194 H+ + H2PO4- (S\u1ef1 ph\u00e2n li ch\u1ee7 y\u1ebfu)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">N\u1ea5c 2: H2PO4- \u2194 H+ + HPO4(2-) (S\u1ef1 ph\u00e2n li k\u00e9m h\u01a1n)<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">N\u1ea5c 3: HPO4(2-) \u2194 H+ + PO4(3-) (S\u1ef1 ph\u00e2n li r\u1ea5t y\u1ebfu)<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Nh\u01b0 v\u1eady, trong dung d\u1ecbch Axit photphoric c\u00f3 c\u00e1c ion H+, H2PO4-, HPO4(2-), PO4(3-) v\u00e0 c\u00e1c ph\u00e2n t\u1eed H3PO4 kh\u00f4ng ph\u00e2n li.\u00a0<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Axit_photphoric_mang_day_du_tinh_chat_cua_1_axit\"><\/span>Axit photphoric mang \u0111\u1ea7y \u0111\u1ee7 t\u00ednh ch\u1ea5t c\u1ee7a 1 axit<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Axit photphoric mang \u0111\u1ea7y \u0111\u1ee7 nh\u1eefng t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a m\u1ed9t axit, bao g\u1ed3m:\u00a0<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">L\u00e0m qu\u1ef3 t\u00edm chuy\u1ec3n \u0111\u1ecf.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00e1c d\u1ee5ng v\u1edbi oxit baz\u01a1, t\u1ea1o ra s\u1ea3n ph\u1ea9m l\u00e0 mu\u1ed1i v\u00e0 n\u01b0\u1edbc:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">2H3PO4 + 3Na2O \u2192 2Na3PO4 + 3H2O<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00e1c d\u1ee5ng v\u1edbi baz\u01a1 t\u1ea1o ra mu\u1ed1i v\u00e0 n\u01b0\u1edbc (c\u00e1c s\u1ea3n ph\u1ea9m mu\u1ed1i kh\u00e1c nhau t\u00f9y theo t\u1ef7 l\u1ec7 ph\u1ea3n \u1ee9ng, ch\u1eb3ng h\u1ea1n nh\u01b0 mu\u1ed1i axit, mu\u1ed1i trung h\u00f2a ho\u1eb7c h\u1ed7n h\u1ee3p c\u00e1c lo\u1ea1i mu\u1ed1i \u0111\u00f3). \u00a0<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">V\u00ed d\u1ee5:\u00a0<\/p>\n<p dir=\"ltr\">KOH + H3PO4 \u2192 KH2PO4 + H2O<\/p>\n<p dir=\"ltr\">2KOH + H3PO4 \u2192 K2HPO4 + 2H2O<\/p>\n<p dir=\"ltr\">3KOH + H3PO4 \u2192 K3PO4 + 3H2O<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00e1c d\u1ee5ng v\u1edbi kim lo\u1ea1i tr\u01b0\u1edbc H2, t\u1ea1o ra s\u1ea3n ph\u1ea9m l\u00e0 mu\u1ed1i v\u00e0 gi\u1ea3i ph\u00f3ng H2:<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">V\u00ed d\u1ee5: 2H3PO4 + 3Mg \u2192 Mg3(PO4)2 + 3H2<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00e1c d\u1ee5ng v\u1edbi mu\u1ed1i t\u1ea1o ra mu\u1ed1i m\u1edbi + axit m\u1edbi:<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">V\u00ed d\u1ee5: H3PO4 + 3AgNO3 \u2192 3HNO3 + Ag3PO4<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ph\u1ea3n \u1ee9ng nhi\u1ec7t ph\u00e2n: \u1ede nhi\u1ec7t \u0111\u1ed9 200-250\u00b0C v\u00e0 400-500\u00b0C, axit photphoric th\u1ec3 hi\u1ec7n t\u00ednh oxi h\u00f3a-kh\u1eed khi x\u1ea3y ra ph\u1ea3n \u1ee9ng ph\u00e2n nhi\u1ec7t.\u00a0<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">2H3PO4 \u2192 H4P2O7 + H2O (nhi\u1ec7t \u0111\u1ed9 t\u1eeb 200 \u0111\u1ebfn 250 \u0111\u1ed9 C)<\/p>\n<p dir=\"ltr\">H4P2O7 \u2192 2HPO3 + H2O (nhi\u1ec7t \u0111\u1ed9 t\u1eeb 400 \u0111\u1ebfn 500 \u0111\u1ed9 C)<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dieu_che_axit_photphoric_nhu_the_nao\"><\/span>\u0110i\u1ec1u ch\u1ebf axit photphoric nh\u01b0 th\u1ebf n\u00e0o?\u00a0<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">V\u1edbi nh\u1eefng \u1ee9ng d\u1ee5ng quan tr\u1ecdng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t, \u0111\u00e2u l\u00e0 c\u00e1ch axit photphoric \u0111\u01b0\u1ee3c t\u1ea1o ra? C\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef t\u00ecm hi\u1ec3u c\u00e1ch \u0111i\u1ec1u ch\u1ebf lo\u1ea1i axit n\u00e0y trong ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 trong c\u00f4ng nghi\u1ec7p.\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit-photphoric-5.jpg\" alt=\"\u0110i\u1ec1u ch\u1ebf axit photphoric nh\u01b0 th\u1ebf n\u00e0o? (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Dieu_che_axit_photphoric_trong_phong_thi_nghiem\"><\/span>\u0110i\u1ec1u ch\u1ebf axit photphoric trong ph\u00f2ng th\u00ed nghi\u1ec7m<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong ph\u00f2ng th\u00ed nghi\u1ec7m, axit photphoric \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1eb1ng c\u00e1ch d\u00f9ng axit nitric HNO3 \u0111\u1eb7c oxy h\u00f3a photpho \u1edf nhi\u1ec7t \u0111\u1ed9 cao:<\/p>\n<p dir=\"ltr\">P + 5HNO3 (\u0111\u1eb7c) \u2192 H3PO4 + 5NO2 + H2O (nhi\u1ec7t \u0111\u1ed9)<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"San_xuat_axit_photphoric_trong_cong_nghiep\"><\/span>S\u1ea3n xu\u1ea5t axit photphoric trong c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong c\u00f4ng nghi\u1ec7p, axit photphoric \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t theo 2 ph\u01b0\u01a1ng ph\u00e1p: Ph\u01b0\u01a1ng ph\u00e1p kh\u00f4 v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbt.\u00a0<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ph\u01b0\u01a1ng ph\u00e1p \u01b0\u1edbt (ph\u01b0\u01a1ng ph\u00e1p tr\u00edch ly)<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">\u0110\u00e2y l\u00e0 c\u00e1ch d\u00f9ng axit sunfuric \u0111\u1eb7c t\u00e1c d\u1ee5ng v\u1edbi qu\u1eb7ng photphotit ho\u1eb7c qu\u1eb7ng apatit:\u00a0<\/p>\n<p dir=\"ltr\">Ca3(PO4)2 + 3H2SO4 (\u0111\u1eb7c) \u2192 3CaSO4 (k\u1ebft t\u1ee7a) + 2H3PO4 (nhi\u1ec7t \u0111\u1ed9)<\/p>\n<p dir=\"ltr\">Sau \u0111\u00f3, H3PO4 t\u1ea1o th\u00e0nh \u0111\u01b0\u1ee3c t\u00e1ch kh\u1ecfi k\u1ebft t\u1ee7a b\u1eb1ng c\u00e1ch l\u1ecdc v\u00e0 \u0111\u01b0\u1ee3c c\u00f4 \u0111\u1eb7c. Tuy nhi\u00ean, axit H3PO4 thu \u0111\u01b0\u1ee3c b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p n\u00e0y kh\u00f4ng tinh khi\u1ebft. \u0110\u1ec3 thu \u0111\u01b0\u1ee3c axit tinh khi\u1ebft v\u1edbi n\u1ed3ng \u0111\u1ed9 cao h\u01a1n, ng\u01b0\u1eddi ra th\u01b0\u1eddng s\u1eed d\u1ee5ng ph\u01b0\u01a1ng ph\u00e1p kh\u00f4.\u00a0<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ph\u01b0\u01a1ng ph\u00e1p kh\u00f4 (qu\u00e1 tr\u00ecnh nhi\u1ec7t)<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">Ng\u01b0\u1eddi ta \u0111\u1ed1t ch\u00e1y phospho \u0111\u1ec3 t\u1ea1o photpho pentaoxit P2O5, sau \u0111\u00f3 cho P2O5 ti\u1ebfp t\u1ee5c ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc, s\u1ea3n ph\u1ea9m thu \u0111\u01b0\u1ee3c l\u00e0 H3PO4 tinh khi\u1ebft.<\/p>\n<p dir=\"ltr\">P \u2192 P2O5 \u2192 H3PO4<\/p>\n<p dir=\"ltr\">4P + 5O2 \u2192 2P2O5 (nhi\u1ec7t \u0111\u1ed9)<\/p>\n<p dir=\"ltr\">P2O5 + 3H2O \u2192 2H3PO4<\/p>\n<p dir=\"ltr\">Xem th\u00eam:\u00a0<\/p>\n<ul>\n<li>Mu\u1ed1i amoni: Chi ti\u1ebft l\u00fd thuy\u1ebft v\u00e0 b\u00e0i t\u1eadp k\u00e8m l\u1eddi gi\u1ea3i<\/li>\n<li>Mu\u1ed1i photphat: Chi ti\u1ebft l\u00fd thuy\u1ebft v\u00e0 h\u01b0\u1edbng d\u1eabn gi\u1ea3i b\u00e0i t\u1eadp<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Nhung_ung_dung_noi_bat_cua_axit_photphoric\"><\/span>Nh\u1eefng \u1ee9ng d\u1ee5ng n\u1ed5i b\u1eadt c\u1ee7a axit photphoric<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Sau khi n\u1eafm \u0111\u01b0\u1ee3c c\u1ea5u t\u1ea1o, t\u00ednh ch\u1ea5t v\u1eadt l\u00fd, h\u00f3a h\u1ecdc v\u00e0 ph\u01b0\u01a1ng ph\u00e1p \u0111i\u1ec1u ch\u1ebf axit photphoric, \u1edf ph\u1ea7n n\u00e0y, ch\u00fang ta c\u00f9ng t\u00ecm hi\u1ec3u nh\u1eefng \u1ee9ng d\u1ee5ng n\u1ed5i b\u1eadt c\u1ee7a H3PO4 trong th\u1ef1c ti\u1ec5n.\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit-photphoric-05_(1).jpg\" alt=\"Trong n\u00f4ng nghi\u1ec7p, m\u1ed9t l\u01b0\u1ee3ng l\u1edbn Axit photphoric \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_axit_photphoric_trong_nong_nghiep\"><\/span>\u1ee8ng d\u1ee5ng axit photphoric trong n\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Trong n\u00f4ng nghi\u1ec7p, m\u1ed9t l\u01b0\u1ee3ng l\u1edbn Axit photphoric \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n. H3PO4 \u0111\u1eadm \u0111\u1eb7c c\u00f3 th\u1ec3 ch\u1ee9a t\u1edbi 70%-75% P2O5 &#8211; m\u1ed9t nguy\u00ean li\u1ec7u v\u00f4 c\u00f9ng quan tr\u1ecdng trong vi\u1ec7c \u0111i\u1ec1u ch\u1ebf mu\u1ed1i photphat, s\u1ea3n xu\u1ea5t ph\u00e2n l\u00e2n, h\u1ee3p ch\u1ea5t photpho (trong thu\u1ed1c tr\u1eeb s\u00e2u), th\u1ee9c \u0103n cho gia s\u00fac&#8230;<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ung_dung_cua_axit_photphoric_trong_cong_nghiep\"><\/span>\u1ee8ng d\u1ee5ng c\u1ee7a axit photphoric trong c\u00f4ng nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Axit Photphoric c\u00f3 \u0111\u00f3ng g\u00f3p quan tr\u1ecdng trong ng\u00e0nh c\u00f4ng nghi\u1ec7p v\u1edbi nh\u1eefng \u1ee9ng d\u1ee5ng \u0111i\u1ec3n h\u00ecnh nh\u01b0:<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ch\u1ea5t ph\u1ee5 gia: Axit photphoric l\u00e0 m\u1ed9t lo\u1ea1i ch\u1ea5t ph\u1ee5 gia trong c\u00e1c lo\u1ea1i \u0111\u1ed3 u\u1ed1ng, m\u1ee9t, th\u1ea1ch rau c\u00e2u, pho m\u00e1t\u2026 B\u00ean c\u1ea1nh \u0111\u00f3, n\u00f3 c\u00f2n c\u00f3 th\u1ec3 t\u1ea1o h\u01b0\u01a1ng th\u01a1m, t\u1ea1o th\u00eam v\u1ecb ng\u1ecdt, s\u1ef1 \u0111\u1eadm \u0111\u00e0 cho th\u1ef1c ph\u1ea9m b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p v\u1edbi Hfcs (\u0111\u00e3 x\u1eed l\u00fd enzymem).\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ch\u1ea5t ch\u1ed1ng \u0103n m\u00f2n: \u0110\u00e2y c\u00f2n l\u00e0 ch\u1ea5t t\u1ea9m g\u1ed7 ch\u1ed1ng ch\u00e1y v\u00e0 ch\u1ea5t ch\u1ed1ng \u0103n m\u00f2n kim lo\u1ea1i. Axit photphoric l\u00e0 nguy\u00ean li\u1ec7u s\u1ea3n xu\u1ea5t thu\u1ef7 tinh g\u1ea1ch men, x\u1eed l\u00fd n\u01b0\u1edbc, c\u00f4ng nghi\u1ec7p xi m\u1ea1, s\u1ea3n xu\u1ea5t c\u00e1c ch\u1ea5t gi\u1eb7t t\u1ea9y\u2026<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Ch\u1ea5t b\u1ea3o qu\u1ea3n: H3PO4 c\u00f3 kh\u1ea3 n\u0103ng l\u00e0m ch\u1eadm s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a vi khu\u1ea9n, n\u1ea5m m\u1ed1c trong c\u00f4ng th\u1ee9c \u0111\u01b0\u1eddng n\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 l\u00e0m ch\u1ea5t b\u1ea3o qu\u1ea3n.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">S\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb s\u1eefa: Axit photphoric c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 s\u1ea3n xu\u1ea5t c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb s\u1eefa. Mu\u1ed1i c\u1ee7a lo\u1ea1i axit n\u00e0y c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i protein, \u0111\u1ed9 pH \u0111\u1ec3 c\u1ea3i thi\u1ec7n ch\u1ea5t l\u01b0\u1ee3ng c\u1ee7a s\u1ea3n ph\u1ea9m. S\u1eefa, b\u01a1 v\u00e0 ph\u00f4 mai\u2026 l\u00e0 nh\u1eefng v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh c\u00e1c s\u1ea3n ph\u1ea9m t\u1eeb s\u1eefa c\u00f3 ch\u1ee9a axit photphoric.\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">D\u01b0\u1ee3c ph\u1ea9m: \u0110\u1ed3ng th\u1eddi, H3PO4 c\u00f2n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong d\u01b0\u1ee3c ph\u1ea9m.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Nhung_luu_y_khi_su_dung_axit_photphoric\"><\/span>Nh\u1eefng l\u01b0u \u00fd khi s\u1eed d\u1ee5ng axit photphoric<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Axit photphoric \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng kh\u00e1 quan tr\u1ecdng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p, n\u00f4ng nghi\u1ec7p. Tuy nhi\u00ean, ch\u00fang ta c\u1ea7n ph\u1ea3i kh\u1eb3ng \u0111\u1ecbnh l\u1ea1i: Axit photphoric l\u00e0 m\u1ed9t lo\u1ea1i axit \u0111\u1ed9c, g\u00e2y nhi\u1ec1u h\u1eadu qu\u1ea3 nguy hi\u1ec3m \u0111\u1ebfn s\u1ee9c kh\u1ecfe n\u1ebfu s\u1eed d\u1ee5ng ch\u00fang sai c\u00e1ch.<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit-photphoric-6.jpg\" alt=\"Nh\u1eefng l\u01b0u \u00fd khi s\u1eed d\u1ee5ng axit photphoric. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Axit photphoric r\u1ea5t d\u1ec5 bay h\u01a1i. Cay m\u1eaft, b\u1ecfng gi\u00e1c m\u1ea1c, suy h\u00f4 h\u1ea5p, g\u00e2y ch\u00e1y n\u1ed5, k\u00edch \u1ee9ng nguy hi\u1ec3m\u2026 l\u00e0 nh\u1eefng tri\u1ec7u ch\u1ee9ng nguy hi\u1ec3m khi ch\u00fang ta ti\u1ebfp x\u00fac tr\u1ef1c ti\u1ebfp v\u1edbi H3PO4 qua da. Do \u0111\u00f3, trong qu\u00e1 tr\u00ecnh s\u1eed d\u1ee5ng axit photphoric, b\u1ea1n c\u1ea7n trang b\u1ecb \u0111\u1ea7y \u0111\u1ee7 \u0111\u1ed3 b\u1ea3o h\u1ed9 an to\u00e0n v\u00e0 nh\u1eefng ki\u1ebfn th\u1ee9c v\u1ec1 c\u00e1ch s\u1eed d\u1ee5ng lo\u1ea1i axit n\u00e0y.\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">H3PO4 l\u00e0 m\u1ed9t lo\u1ea1i nguy\u00ean li\u1ec7u c\u00f3 trong n\u01b0\u1edbc ng\u1ecdt, n\u00f3 c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 nguy c\u01a1 l\u00e0m gi\u1ea3m m\u1eadt \u0111\u1ed9 x\u01b0\u01a1ng. V\u00ec v\u1eady, b\u1ea1n n\u00ean h\u1ea1n ch\u1ebf t\u1ed1i \u0111a u\u1ed1ng c\u00e1c lo\u1ea1i \u0111\u1ed3 u\u1ed1ng ng\u1ecdt \u0111\u00f3ng chai ch\u1ee9a lo\u1ea1i axit n\u00e0y.\u00a0<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">H3PO4 c\u00f3 kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng \u1edf nhi\u1ec7t \u0111\u1ed9 cao, r\u1ea5t d\u1ec5 g\u00e2y ch\u00e1y n\u1ed5. V\u00ec th\u1ebf, khi s\u1eed d\u1ee5ng xong axit n\u00e0y, b\u1ea1n c\u1ea7n \u0111\u00f3ng b\u00ecnh c\u1ea9n th\u1eadn v\u00e0 b\u1ea3o qu\u1ea3n ch\u00fang \u1edf n\u01a1i kh\u00f4 r\u00e1o, tr\u00e1nh \u00e1nh n\u1eafng m\u1eb7t tr\u1eddi.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">B\u00ean c\u1ea1nh \u0111\u00f3, H3PO4 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong nhi\u1ec1u lo\u1ea1i th\u1ef1c ph\u1ea9m kh\u00e1c nhau, l\u01b0\u1ee3ng Photpho trong c\u00e1c lo\u1ea1i th\u1ee9c \u0103n n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn b\u1ea1n t\u0103ng nguy c\u01a1 m\u1eafc c\u00e1c b\u1ec7nh v\u1ec1 s\u1ecfi th\u1eadn, ti\u1ebft ni\u1ec7u,\u2026V\u00ec v\u1eady, h\u00e3y \u0111\u1ecdc k\u1ef9 c\u00e1c th\u00e0nh ph\u1ea7n c\u00f3 trong th\u1ef1c ph\u1ea9m \u0103n nhanh v\u00e0 h\u1ea1n ch\u1ebf s\u1eed d\u1ee5ng ch\u00fang. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng nguy c\u01a1 ti\u1ec1m \u1ea9n c\u00f3 th\u1ec3 g\u00e2y h\u1ea1i cho s\u1ee9c kh\u1ecfe c\u1ee7a b\u1ea1n.\u00a0<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_ve_axit_photphoric_SGK_Hoa_hoc_11_kem_loi_giai_chi_tiet\"><\/span>B\u00e0i t\u1eadp v\u1ec1 axit photphoric SGK H\u00f3a h\u1ecdc 11 k\u00e8m l\u1eddi gi\u1ea3i chi ti\u1ebft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">\u0110\u1ec3 n\u1eafm ch\u1eafc ki\u1ebfn th\u1ee9c v\u1ec1 axit photphoric, c\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef v\u1eadn d\u1ee5ng nh\u1eefng l\u00fd thuy\u1ebft \u0111\u00e3 h\u1ecdc tr\u00ean \u0111\u1ec3 th\u1ef1c h\u00e0nh m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp c\u01a1 b\u1ea3n v\u1ec1 axit photphoric trong SGK H\u00f3a h\u1ecdc 11 sau \u0111\u00e2y.\u00a0<\/p>\n<p dir=\"ltr\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit-photphoric-7_(1).jpg\" alt=\"B\u00e0i t\u1eadp v\u1ec1 axit photphoric SGK H\u00f3a h\u1ecdc 11 k\u00e8m l\u1eddi gi\u1ea3i chi ti\u1ebft. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Giai_bai_1_trang_53_SGK_Hoa_11\"><\/span>Gi\u1ea3i b\u00e0i 1 trang 53 SGK H\u00f3a 11<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc d\u1ea1ng ph\u00e2n t\u1eed v\u00e0 d\u1ea1ng ion r\u00fat g\u1ecdn c\u1ee7a ph\u1ea3n \u1ee9ng gi\u1eefa axit photphoric v\u1edbi l\u01b0\u1ee3ng d\u01b0 c\u1ee7a:<\/p>\n<p dir=\"ltr\">a. BaO ;\u00a0 \u00a0 b. Ca(OH)2 ; \u00a0 \u00a0 c. K2CO3<\/p>\n<p dir=\"ltr\">L\u1eddi gi\u1ea3i:<\/p>\n<p dir=\"ltr\">C\u00e1c ch\u1ea5t l\u1ea5y d\u01b0 n\u00ean mu\u1ed1i t\u1ea1o ra l\u00e0 mu\u1ed1i trung ho\u00e0:<\/p>\n<p dir=\"ltr\">a. 2H3PO4 + 3BaO \u2192 Ba3(PO4)2 + 3H2O<\/p>\n<p dir=\"ltr\">\u00a0\u00a0\u00a0Ph\u01b0\u01a1ng tr\u00ecnh ph\u00e2n t\u1eed tr\u00f9ng v\u1edbi ph\u01b0\u01a1ng tr\u00ecnh ion thu g\u1ecdn<\/p>\n<p dir=\"ltr\">b. 2H3PO4 + 3Ca(OH)2 \u2192 Ca3(PO4)2 + 6H2O<\/p>\n<p dir=\"ltr\">\u00a0\u00a0\u00a02H3PO4 + 3Ca2+ + 6OH- \u2192 Ca3(PO4)2 + 6H2O<\/p>\n<p dir=\"ltr\">c.\u00a0 2H3PO4 + 3K2CO3 \u2192 2K3PO4 + 3H2O + 3CO2\u2191<\/p>\n<p dir=\"ltr\">\u00a0\u00a0\u00a02H3PO4 + 3CO32- \u2192 2PO43- + 3H2O + CO2\u2191<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Giai_bai_2_SGK_Hoa_11_trang_53\"><\/span>Gi\u1ea3i b\u00e0i 2 SGK H\u00f3a 11 trang 53<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">N\u00eau nh\u1eefng \u0111i\u1ec3m gi\u1ed1ng nhau v\u00e0 kh\u00e1c nhau v\u1ec1 t\u00ednh ch\u1ea5t ho\u00e1 h\u1ecdc gi\u1eefa axit nitric v\u00e0 axit photphoric. D\u1eabn ra nh\u1eefng ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc \u0111\u1ec3 minh ho\u1ea1?<\/p>\n<p dir=\"ltr\">L\u1eddi gi\u1ea3i:<\/p>\n<p dir=\"ltr\">Nh\u1eefng t\u00ednh ch\u1ea5t chung: \u0110\u1ec1u c\u00f3 t\u00ednh axit<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Chuy\u1ec3n m\u00e0u ch\u1ea5t ch\u1ec9 th\u1ecb: Qu\u1ef3 t\u00edm chuy\u1ec3n th\u00e0nh m\u00e0u \u0111\u1ecf.<\/p>\n<\/li>\n<\/ul>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00e1c d\u1ee5ng v\u1edbi baz\u01a1, oxit baz\u01a1 kh\u00f4ng c\u00f3 t\u00ednh kh\u1eed (c\u00e1c nguy\u00ean t\u1ed1 c\u00f3 s\u1ed1 oxi ho\u00e1 cao nh\u1ea5t):<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">\u00a0\u00a0\u00a03NaOH + H3PO4 \u2192 Na3PO4 + 3H2O<\/p>\n<p dir=\"ltr\">\u00a0\u00a0\u00a0Fe2O3 + 6HNO3 \u2192 2Fe(NO3)3 + 3H2O<\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">T\u00e1c d\u1ee5ng v\u1edbi m\u1ed9t s\u1ed1 mu\u1ed1i c\u1ee7a axit y\u1ebfu v\u00e0 kh\u00f4ng c\u00f3 t\u00ednh kh\u1eed:<\/p>\n<\/li>\n<\/ul>\n<p dir=\"ltr\">\u00a0\u00a0\u00a02HNO3 + CaCO3 \u2192 Ca(NO3)2 + H2O + CO2\u2191<\/p>\n<p dir=\"ltr\">\u00a0\u00a0\u00a02H3PO4 + 3Na2SO3 \u2192 2Na3PO4 + 3H2O + 3SO2\u2191<\/p>\n<p dir=\"ltr\">Nh\u1eefng t\u00ednh ch\u1ea5t kh\u00e1c nhau:<\/p>\n<p><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/axit-photphoric-06.jpg\" alt=\"Gi\u1ea3i b\u00e0i 2 SGK H\u00f3a 11 trang 53. (\u1ea2nh: S\u01b0u t\u1ea7m Internet)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Giai_bai_3_SGK_trang_54_Hoa_11\"><\/span>Gi\u1ea3i b\u00e0i 3 SGK trang 54 H\u00f3a 11<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ph\u01b0\u01a1ng tr\u00ecnh \u0111i\u1ec7n li t\u1ed5ng c\u1ed9ng c\u1ee7a H3PO4 trong dung d\u1ecbch l\u00e0:<\/p>\n<p dir=\"ltr\">H3PO4 \u21c6 3H+ + PO43-<\/p>\n<p dir=\"ltr\">Khi th\u00eam HCl v\u00e0o dung d\u1ecbch:<\/p>\n<p dir=\"ltr\">A. C\u00e2n b\u1eb1ng tr\u00ean chuy\u1ec3n d\u1ecbch theo chi\u1ec1u thu\u1eadn.<\/p>\n<p dir=\"ltr\">B. C\u00e2n b\u1eb1ng tr\u00ean chuy\u1ec3n d\u1ecbch theo chi\u1ec1u ngh\u1ecbch.<\/p>\n<p dir=\"ltr\">C. C\u00e2n b\u1eb1ng tr\u00ean kh\u00f4ng b\u1ecb d\u1ecbch chuy\u1ec3n.<\/p>\n<p dir=\"ltr\">D. N\u1ed3ng \u0111\u1ed9 PO43- t\u0103ng l\u00ean.<\/p>\n<p dir=\"ltr\">L\u1eddi gi\u1ea3i: \u0110\u00e1p \u00e1n B.<\/p>\n<p dir=\"ltr\">Khi th\u00eam HCl v\u00e0o l\u00e0m t\u0103ng n\u1ed3ng \u0111\u1ed9 H+ trong dung d\u1ecbch. Theo nguy\u00ean l\u00ed chuy\u1ec3n d\u1ecbch c\u00e2n b\u1eb1ng, c\u00e2n b\u1eb1ng chuy\u1ec3n d\u1ecbch theo chi\u1ec1u l\u00e0m gi\u1ea3m n\u1ed3ng \u0111\u1ed9 H+<\/p>\n<p dir=\"ltr\">\u21d2 c\u00e2n b\u1eb1ng chuy\u1ec3n d\u1ecbch theo chi\u1ec1u ngh\u1ecbch.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Giai_bai_4_trang_54_Hoa_11_SGK\"><\/span>Gi\u1ea3i b\u00e0i 4 trang 54 H\u00f3a 11 SGK<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">a) L\u1eadp c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc sau \u0111\u00e2y:<\/p>\n<p dir=\"ltr\">a. H3PO4 + K2HPO4 \u2192<\/p>\n<p dir=\"ltr\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01 mol\u00a0 \u00a0 \u00a0 1mol<\/p>\n<p dir=\"ltr\">b. H3PO4 + NaOH \u2192<\/p>\n<p dir=\"ltr\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a01 mol\u00a0 \u00a0 \u00a0 1mol<\/p>\n<p dir=\"ltr\">c. H3PO4 + Ca(OH)2 \u2192<\/p>\n<p dir=\"ltr\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02mol\u00a0 \u00a0 \u00a0 1mol<\/p>\n<p dir=\"ltr\">d. H3PO4 + Ca(OH)2 \u2192<\/p>\n<p dir=\"ltr\">\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02mol\u00a0 \u00a0 \u00a0 3mol<\/p>\n<p dir=\"ltr\">L\u1eddi gi\u1ea3i:<\/p>\n<p dir=\"ltr\">a. H3PO4 + K2HPO4 \u2192 2KH2PO4<\/p>\n<p dir=\"ltr\">\u00a0\u00a0\u00a0\u00a01 mol \u00a0 \u00a0 \u00a0 \u00a0 1mol<\/p>\n<p dir=\"ltr\">b. H3PO4 + Ca(OH)2 \u2192 CaHPO4 + 2H2O<\/p>\n<p dir=\"ltr\">\u00a0\u00a0\u00a0\u00a01 mol \u00a0 \u00a0 \u00a0 \u00a0 1mol<\/p>\n<p dir=\"ltr\">c. 2H3PO4 + Ca(OH)2 \u2192 Ca(H2PO4)2 + 2H2O<\/p>\n<p dir=\"ltr\">\u00a0\u00a0\u00a0\u00a02mol \u00a0 \u00a0 \u00a0 \u00a0 1mol<\/p>\n<p dir=\"ltr\">d. 2H3PO4 + 3Ca(OH)2 \u2192 Ca3(PO4)2 + 6H2O<\/p>\n<p dir=\"ltr\">\u00a0\u00a0\u00a0\u00a02mol \u00a0 \u00a0 \u00a0 \u00a0 3mol<\/p>\n<p dir=\"ltr\">Axit photphoric l\u00e0 m\u1ed9t trong nh\u1eefng b\u00e0i h\u1ecdc quan tr\u1ecdng trong ch\u01b0\u01a1ng tr\u00ecnh H\u00f3a h\u1ecdc THPT. Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u00fap b\u1ea1n n\u1eafm ch\u1eafc nh\u1eefng ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n nh\u1ea5t v\u1ec1 H3PO4. \u0110\u1eebng qu\u00ean \u00e1p d\u1ee5ng n\u00f3 trong c\u00e1c b\u00e0i t\u1eadp th\u1ef1c h\u00e0nh m\u00f4n H\u00f3a h\u1ecdc \u0111\u1ec3 n\u1eafm v\u1eefng b\u00e0i h\u1ecdc n\u00e0y nh\u00e9. Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef ch\u00fac b\u1ea1n \u0111\u1ea1t k\u1ebft qu\u1ea3 cao trong h\u1ecdc t\u1eadp!<\/p>\n<p>                                    Ngu\u1ed3n tham kh\u1ea3o<\/p>\n<p>Phosphoric acid &#8211; Ng\u00e0y truy c\u1eadp: 23\/7\/2022<\/p>\n<p>https:\/\/en.wikipedia.org\/wiki\/Phosphoric_acid<\/p>\n<p>Phosphoric acid &#8211; Ng\u00e0y truy c\u1eadp: 23\/7\/2022<\/p>\n<p>https:\/\/pubchem.ncbi.nlm.nih.gov\/compound\/Phosphoric-acid<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Axit photphoric (H3P04) l\u00e0 m\u1ed9t h\u00f3a ch\u1ea5t \u0111\u1ed9c h\u1ea1i nh\u01b0ng l\u1ea1i \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong nhi\u1ec1u ng\u00e0nh c\u00f4ng nghi\u1ec7p s\u1ea3n xu\u1ea5t, \u0111\u1eb7c bi\u1ec7t l\u00e0 s\u1ea3n xu\u1ea5t ph\u00e2n b\u00f3n v\u00e0 thu\u1ed1c tr\u1eeb s\u00e2u. B\u1ea1n bi\u1ebft g\u00ec v\u1ec1 lo\u1ea1i h\u00f3a ch\u1ea5t n\u00e0y? C\u00f9ng Shining Home &#8211; Gia \u0111\u00ecnh Anh Ng\u1eef t\u00ecm hi\u1ec3u c\u00e1c th\u00f4ng tin&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-18984","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/18984","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/comments?post=18984"}],"version-history":[{"count":1,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/18984\/revisions"}],"predecessor-version":[{"id":24073,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/18984\/revisions\/24073"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=18984"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=18984"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=18984"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}