{"id":20964,"date":"2025-07-08T00:40:52","date_gmt":"2025-07-07T17:40:52","guid":{"rendered":"https:\/\/www.ckconitsha.com\/vn\/?p=20964"},"modified":"2025-07-09T02:36:36","modified_gmt":"2025-07-08T19:36:36","slug":"kim-loai-sat-khai-niem-tinh-chat-va-ung-dung","status":"publish","type":"post","link":"https:\/\/www.ckconitsha.com\/vn\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/","title":{"rendered":"Kim lo\u1ea1i s\u1eaft: Kh\u00e1i ni\u1ec7m, t\u00ednh ch\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng"},"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\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/#Khai_niem_kim_loai_sat\" >Kh\u00e1i ni\u1ec7m kim lo\u1ea1i s\u1eaft<\/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\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/#Tinh_chat_vat_ly_cua_kim_loai_sat\" >T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a kim lo\u1ea1i s\u1eaft<\/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\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/#Tinh_chat_hoa_hoc_cua_kim_loai_sat\" >T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a kim lo\u1ea1i s\u1eaft<\/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\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/#Hieu_ung_khong_phai_la_-metallic\" >Hi\u1ec7u \u1ee9ng kh\u00f4ng ph\u1ea3i l\u00e0 -metallic<\/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\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/#Anh_huong_voi_axit\" >\u1ea2nh h\u01b0\u1edfng v\u1edbi axit<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.ckconitsha.com\/vn\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/#Hieu_qua_voi_dung_dich_muoi\" >Hi\u1ec7u qu\u1ea3 v\u1edbi dung d\u1ecbch mu\u1ed1i<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.ckconitsha.com\/vn\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/#Anh_huong_voi_nuoc\" >\u1ea2nh h\u01b0\u1edfng v\u1edbi n\u01b0\u1edbc<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.ckconitsha.com\/vn\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/#Lam_the_nao_de_chuan_bi_sat\" >L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 chu\u1ea9n b\u1ecb s\u1eaft?<\/a><\/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\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/#Ap_dung_kim_loai_sat\" >\u00c1p d\u1ee5ng kim lo\u1ea1i s\u1eaft<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.ckconitsha.com\/vn\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/#Tap_the_duc_tren_sach_sat_cua_sach_giao_khoa_hoa_hoc_9_voi_cac_giai_phap\" >T\u1eadp th\u1ec3 d\u1ee5c tr\u00ean s\u00e1ch s\u1eaft c\u1ee7a s\u00e1ch gi\u00e1o khoa h\u00f3a h\u1ecdc 9 v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.ckconitsha.com\/vn\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/#Bai_tap_1_Hoa_hoc_SGK_9_trang_60\" >B\u00e0i t\u1eadp 1 (H\u00f3a h\u1ecdc SGK 9, trang 60)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.ckconitsha.com\/vn\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/#Bai_tap_2_Hoa_hoc_SGK_9_trang_60\" >B\u00e0i t\u1eadp 2 (H\u00f3a h\u1ecdc SGK 9, trang 60)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.ckconitsha.com\/vn\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/#Bai_tap_3_Hoa_hoc_SGK_9_trang_60\" >B\u00e0i t\u1eadp 3 (H\u00f3a h\u1ecdc SGK 9, trang 60)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.ckconitsha.com\/vn\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/#Bai_tap_4_Hoa_hoc_SGK_9_trang_60\" >B\u00e0i t\u1eadp 4 (H\u00f3a h\u1ecdc SGK 9, trang 60)<\/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\/kim-loai-sat-khai-niem-tinh-chat-va-ung-dung\/#Bai_tap_5_Trang_60_Sach_giao_khoa\" >B\u00e0i t\u1eadp 5 (Trang 60 S\u00e1ch gi\u00e1o khoa)<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<\/p>\n<p dir=\"ltr\">T\u1eeb th\u1eddi c\u1ed5 \u0111\u1ea1i, m\u1ecdi ng\u01b0\u1eddi \u0111\u00e3 bi\u1ebft s\u1eed d\u1ee5ng h\u1ee3p kim s\u1eaft v\u00e0 s\u1eaft. Ng\u00e0y nay, s\u1eaft v\u1eabn l\u00e0 m\u1ed9t kim lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t nhi\u1ec1u trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y. \u0110i\u1ec1u n\u00e0y l\u00e0 do s\u1eaft c\u00f3 \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc \u0111\u1eb7c bi\u1ec7t. V\u1eady kim lo\u1ea1i s\u1eaft l\u00e0 g\u00ec? Kh\u00e1i ni\u1ec7m, b\u1ea3n ch\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a s\u1eaft trong cu\u1ed9c s\u1ed1ng l\u00e0 g\u00ec? H\u00e3y t\u00ecm hi\u1ec3u chi ti\u1ebft trong c\u00e1c n\u1ed9i dung sau \u0111\u00e2y!<\/p>\n<p>                                    <img decoding=\"async\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/image\/600x480.png\"><\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Khai_niem_kim_loai_sat\"><\/span>Kh\u00e1i ni\u1ec7m kim lo\u1ea1i s\u1eaft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">S\u1eaft l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 h\u00f3a h\u1ecdc trong b\u1ea3ng tu\u1ea7n ho\u00e0n v\u1edbi bi\u1ec3u t\u01b0\u1ee3ng FE, v\u1edbi s\u1ed1 nguy\u00ean t\u1eed l\u00e0 26, theo ph\u00e2n nh\u00f3m VIIIB v\u00e0 4 chu k\u1ef3.<\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/kim-loai-sat-1_(1).jpg\" alt=\"T\u00ecm hi\u1ec3u kim lo\u1ea1i s\u1eaft l\u00e0 g\u00ec? (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Bi\u1ec3u t\u01b0\u1ee3ng: Fe.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u00e1c nguy\u00ean t\u1eed kh\u1ed1i: 56.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">M\u1eadt \u0111\u1ed9: 7,86 g \/ cm\u00b3.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u0110i\u1ec3m n\u00f3ng ch\u1ea3y l\u00e0: 1539 \u00b0 C.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Kh\u1ed1i l\u01b0\u1ee3ng nguy\u00ean t\u1eed: 55.845U.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">S\u1ed1 l\u01b0\u1ee3ng electron tr\u00ean m\u1ed7i v\u1ecf l\u00e0: 2, 8, 14, 2 t\u01b0\u01a1ng \u1ee9ng.<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">S\u1ed1 l\u01b0\u1ee3ng nguy\u00ean t\u1eed: 26.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_vat_ly_cua_kim_loai_sat\"><\/span>T\u00ednh ch\u1ea5t v\u1eadt l\u00fd c\u1ee7a kim lo\u1ea1i s\u1eaft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">S\u1eaft l\u00e0 m\u1ed9t kim lo\u1ea1i c\u00f3 m\u00e0u x\u00e1m -White, linh ho\u1ea1t, c\u1ee9ng r\u1eafn, r\u1ea5t d\u1ec5 r\u00e8n, nhi\u1ec7t \u0111\u1ed9 n\u00f3ng ch\u1ea3y kh\u00e1 cao l\u00ean t\u1edbi 1539 \u0111\u1ed9 C. S\u1eaft l\u00e0 m\u1ed9t ch\u1ea5t d\u1eabn nhi\u1ec7t, t\u1ed1t, v\u1edbi t\u1eeb t\u00ednh.<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tinh_chat_hoa_hoc_cua_kim_loai_sat\"><\/span>T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a kim lo\u1ea1i s\u1eaft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc n\u00e0o c\u00f3 s\u1eaft? Kim lo\u1ea1i s\u1eaft c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c phi kim, axit, n\u01b0\u1edbc v\u00e0 mu\u1ed1i \u0111\u1ec3 t\u1ea1o th\u00e0nh m\u1ed9t h\u1ee3p ch\u1ea5t. Ph\u1ea3n \u1ee9ng h\u00f3a h\u1ecdc c\u1ee7a kim lo\u1ea1i v\u1edbi c\u00e1c ch\u1ea5t n\u00e0y l\u00e0 ho\u1eb7c kh\u00f4ng c\u00f3 ch\u1ea5t x\u00fac t\u00e1c.<\/p>\n<p dir=\"ltr\" style=\"text-align: center\"><img decoding=\"async\" class=\"lazyload\" src=\"https:\/\/external-content.duckduckgo.com\/iu\/?u=https:\/\/vnmedia2.monkeyuni.net\/upload\/web\/img\/kim-loai-sat-2.jpg\" alt=\"T\u00ecm hi\u1ec3u c\u00e1c t\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc c\u1ee7a kim lo\u1ea1i s\u1eaft. (\u1ea2nh: Shutterstock.com)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Hieu_ung_khong_phai_la_-metallic\"><\/span>Hi\u1ec7u \u1ee9ng kh\u00f4ng ph\u1ea3i l\u00e0 -metallic<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khi \u0111\u01b0\u1ee3c l\u00e0m n\u00f3ng, s\u1eaft ph\u1ea3n \u1ee9ng v\u1edbi h\u1ea7u h\u1ebft c\u00e1c phi kim.<\/p>\n<p dir=\"ltr\">S\u1eaft ph\u1ea3n \u1ee9ng v\u1edbi oxy: 3Fe + 2O2 \u2192 Fe3O4<\/p>\n<p dir=\"ltr\">Fe3O4 l\u00e0 m\u1ed9t oxit s\u1eaft t\u1eeb t\u00ednh, m\u1ed9t oxit c\u1ee7a h\u1ed7n h\u1ee3p s\u1eaft h\u00f3a tr\u1ecb II v\u00e0 III: FEO v\u00e0 FE2O3<\/p>\n<p dir=\"ltr\">S\u1eaft ph\u1ea3n \u1ee9ng v\u1edbi c\u00e1c phi kim kh\u00e1c: 2Fe + 3Cl2 \u2192 2FECL3<\/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\/kim-loai-sat-4.png\" alt=\"\u0110\u1ed1t ch\u00e1y s\u1eaft trong kh\u00ed clo. (\u1ea2nh: \u1ea2nh ch\u1ee5p m\u00e0n h\u00ecnh)\" width=\"100%\"><\/p>\n<p dir=\"ltr\">Ngo\u00e0i oxy (O) v\u00e0 l\u01b0u hu\u1ef3nh (S), s\u1eaft c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi nhi\u1ec1u lo\u1ea1i kh\u00f4ng ph\u1ea3i l\u00e0 CL2, BR2, &#8230; \u0111\u1ec3 t\u1ea1o th\u00e0nh mu\u1ed1i.<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Anh_huong_voi_axit\"><\/span>\u1ea2nh h\u01b0\u1edfng v\u1edbi axit<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">S\u1eaft ph\u1ea3n \u1ee9ng v\u1edbi HCl, H2S04 lo\u00e3ng \u0111\u1ec3 t\u1ea1o ra mu\u1ed1i s\u1eaft (II) v\u00e0 gi\u1ea3i ph\u00f3ng H2:<\/p>\n<p dir=\"ltr\">Fe + 2HCl (pha lo\u00e3ng) \u2192 FECL2 + H2<\/p>\n<p dir=\"ltr\">Fe + 2H2SO4 (pha lo\u00e3ng) \u2192 FESO4 + H2<\/p>\n<p dir=\"ltr\">L\u01afU \u00dd: S\u1eaft (Fe) kh\u00f4ng ph\u1ea3n \u1ee9ng v\u1edbi axit HnO3 \u0111\u1eadm \u0111\u1eb7c v\u00e0 axit H2S04 \u0111\u1eadm \u0111\u1eb7c. B\u1edfi v\u00ec \u1edf nhi\u1ec7t \u0111\u1ed9 b\u00ecnh th\u01b0\u1eddng, s\u1eaft t\u1ea1o ra m\u1ed9t l\u1edbp oxit b\u1ea3o v\u1ec7 kim lo\u1ea1i kh\u00f4ng b\u1ecb &#8220;th\u1ee5 \u0111\u1ed9ng&#8221;, kh\u00f4ng h\u00f2a tan.<\/p>\n<p dir=\"ltr\">S\u1eaft ph\u1ea3n \u1ee9ng v\u1edbi HNO3 t\u1eadp trung n\u00f3ng, H2SO4 t\u1eadp trung n\u00f3ng \u0111\u1ec3 t\u1ea1o th\u00e0nh mu\u1ed1i s\u1eaft III:<\/p>\n<p dir=\"ltr\">  2Fe + 6H2SO4 (r\u1eafn, n\u00f3ng) \u2192 Fe2 (SO4) 3 + 3SO2 + 6H2O<\/p>\n<p dir=\"ltr\">Fe + 6hno3 (r\u1eafn, n\u00f3ng) \u2192 Fe (NO3) 3 + 3NO2 + 3H2O<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Hieu_qua_voi_dung_dich_muoi\"><\/span>Hi\u1ec7u qu\u1ea3 v\u1edbi dung d\u1ecbch mu\u1ed1i<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khi m\u1ed9t kim lo\u1ea1i s\u1eaft k\u1ebft h\u1ee3p v\u1edbi mu\u1ed1i c\u1ee7a kim lo\u1ea1i y\u1ebfu h\u01a1n, ph\u1ea3n \u1ee9ng t\u1ea1o ra m\u1ed9t lo\u1ea1i mu\u1ed1i v\u00e0 kim lo\u1ea1i m\u1edbi.<\/p>\n<p dir=\"ltr\">Fe + Cuso4 \u2192 Cu + Feso4<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Anh_huong_voi_nuoc\"><\/span>\u1ea2nh h\u01b0\u1edfng v\u1edbi n\u01b0\u1edbc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Khi kim lo\u1ea1i s\u1eaft c\u00f3 th\u1ec3 ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc, v\u1edbi \u0111i\u1ec1u ki\u1ec7n gia nhi\u1ec7t nhi\u1ec7t \u0111\u1ed9 cao. <\/p>\n<p>3Fe + 4H2O \u2192 Fe3O4 + 4H2 (&lt;5700C)<\/p>\n<p>Fe + H2O \u2192 FEO + H2 (&gt; 5700C)<\/p>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Lam_the_nao_de_chuan_bi_sat\"><\/span>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 chu\u1ea9n b\u1ecb s\u1eaft?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">S\u1eaft \u0111\u01b0\u1ee3c chu\u1ea9n b\u1ecb b\u1eb1ng ph\u01b0\u01a1ng ph\u00e1p nhi\u1ec7t. S\u1eed d\u1ee5ng t\u00e1c nh\u00e2n kh\u1eed (CO, H2, AL, C) \u0111\u1ec3 lo\u1ea1i b\u1ecf c\u00e1c h\u1ee3p ch\u1ea5t s\u1eaft.<\/p>\n<p dir=\"ltr\">FE3O4 + 4CO \u2192 3FE + 4CO2 (\u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9)<\/p>\n<p dir=\"ltr\">FE2O3 + 3H2 \u2192 2FE + 3H2O (\u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9)<\/p>\n<p dir=\"ltr\">FE2O3 + 2AL \u2192 2FE + AL2O3 (\u0111i\u1ec1u ki\u1ec7n nhi\u1ec7t \u0111\u1ed9)<\/p>\n<p dir=\"ltr\">Xem th\u00eam: <\/p>\n<ul>\n<li>H\u1ee3p kim c\u1ee7a s\u1eaft: gang, th\u00e9p? Ph\u00e2n lo\u1ea1i v\u00e0 s\u1ea3n xu\u1ea5t<\/li>\n<li>Nh\u00f4m l\u00e0 g\u00ec? Thu\u1ed9c t\u00ednh, \u1ee9ng d\u1ee5ng v\u00e0 s\u1ea3n xu\u1ea5t nh\u00f4m<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Ap_dung_kim_loai_sat\"><\/span>\u00c1p d\u1ee5ng kim lo\u1ea1i s\u1eaft<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Kim lo\u1ea1i s\u1eaft c\u00f3 m\u1eb7t \u1edf h\u1ea7u h\u1ebft c\u00e1c khu v\u1ef1c t\u1eeb c\u00e1c thi\u1ebft b\u1ecb gia d\u1ee5ng trong cu\u1ed9c s\u1ed1ng \u0111\u1ebfn s\u1ea3n xu\u1ea5t. S\u1eaft \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0:<\/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\/kim-loai-sat-3_(1).jpg\" alt=\"S\u1eaft \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng r\u1ea5t nhi\u1ec1u trong cu\u1ed9c s\u1ed1ng. (\u1ea2nh: B\u1ed9 s\u01b0u t\u1eadp Internet)\" width=\"100%\"><\/p>\n<ul>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">Thi\u1ebft b\u1ecb gia d\u1ee5ng: B\u00e0n gh\u1ebf, th\u00f9ng r\u00e1c, k\u1ec7 s\u1eaft, thi\u1ebft b\u1ecb gia d\u1ee5ng nh\u01b0 m\u00e1y gi\u1eb7t, m\u00e1y xay sinh t\u1ed1, m\u00e1y c\u1eaft, &#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">N\u1ed9i th\u1ea5t n\u1ed9i th\u1ea5t: C\u1ea7u thang, c\u1eeda s\u1eaft, c\u1ed5ng s\u1eaft, lan can, h\u00e0ng r\u00e0o s\u1eaft, t\u1ee7 s\u1eaft, k\u1ec7 s\u1eaft, ph\u1ee5 ki\u1ec7n c\u1eeda, tr\u1ee5 c\u1ed9t, &#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u00f4ng nghi\u1ec7p v\u1eadn t\u1ea3i: C\u1ea7u v\u01b0\u1ee3t, \u0111\u01b0\u1eddng s\u1eaft \u0111\u01b0\u1eddng s\u1eaft, \u0111\u00e8n \u0111\u01b0\u1eddng, khung c\u1ee7a m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ti\u1ec7n, &#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">\u1ee8ng d\u1ee5ng trong ng\u00e0nh x\u00e2y d\u1ef1ng: Gi\u00e0n gi\u00e1o s\u1eaft, ch\u1ed1t, tr\u1ee5 c\u1ed9t, m\u1ea1ng l\u01b0\u1edbi an to\u00e0n &#8230;<\/p>\n<\/li>\n<li dir=\"ltr\">\n<p dir=\"ltr\" role=\"presentation\">C\u00f4ng nghi\u1ec7p c\u01a1 kh\u00ed: C\u00e1c b\u1ed9 ph\u1eadn c\u1ee7a m\u00e1y m\u00f3c v\u00e0 thi\u1ebft b\u1ecb, ph\u1ee5 ki\u1ec7n c\u01a1 h\u1ecdc, b\u1ea3n l\u1ec1 c\u1eeda. Kh\u00f4ng ch\u1ec9 v\u1eady, s\u1eaft c\u0169ng l\u00e0 m\u1ed9t trong nh\u1eefng v\u1eadt li\u1ec7u quan tr\u1ecdng nh\u1ea5t trong qu\u00e1 tr\u00ecnh x\u1eed l\u00fd c\u01a1 h\u1ecdc cho c\u00e1c s\u1ea3n ph\u1ea9m ch\u00ednh \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n theo y\u00eau c\u1ea7u c\u1ee7a kh\u00e1ch h\u00e0ng.<\/p>\n<\/li>\n<\/ul>\n<h2 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Tap_the_duc_tren_sach_sat_cua_sach_giao_khoa_hoa_hoc_9_voi_cac_giai_phap\"><\/span>T\u1eadp th\u1ec3 d\u1ee5c tr\u00ean s\u00e1ch s\u1eaft c\u1ee7a s\u00e1ch gi\u00e1o khoa h\u00f3a h\u1ecdc 9 v\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p dir=\"ltr\">Sau khi b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 l\u00fd thuy\u1ebft v\u1ec1 kim lo\u1ea1i s\u1eaft, b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp trong s\u00e1ch gi\u00e1o khoa h\u00f3a h\u1ecdc l\u1edbp 9 \u0111\u1ec3 l\u00e0m ch\u1ee7 ki\u1ebfn \u200b\u200bth\u1ee9c b\u1ea1n \u0111\u00e3 h\u1ecdc.<\/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\/kim-loai-sat-4.jpg\" alt=\"\u00c1p d\u1ee5ng cho c\u00e1c b\u00e0i t\u1eadp v\u1ec1 kim lo\u1ea1i s\u1eaft. (\u1ea2nh: Shutterstock.com)\" width=\"100%\"><\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_1_Hoa_hoc_SGK_9_trang_60\"><\/span>B\u00e0i t\u1eadp 1 (H\u00f3a h\u1ecdc SGK 9, trang 60)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc n\u00e0o c\u00f3 s\u1eaft? Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc minh h\u1ecda.<\/p>\n<p dir=\"ltr\">\u0110\u1ec1 xu\u1ea5t cho c\u00e2u tr\u1ea3 l\u1eddi:<\/p>\n<p dir=\"ltr\">S\u1eaft c\u00f3 c\u00e1c thu\u1ed9c t\u00ednh sau: <\/p>\n<ul>\n<li dir=\"ltr\">Hi\u1ec7u \u1ee9ng v\u1edbi kh\u00f4ng ph\u1ea3i<\/li>\n<\/ul>\n<ul style=\"list-style-type: circle\">\n<li>\u1ea2nh h\u01b0\u1edfng v\u1edbi oxy t\u1ea1o ra oxit s\u1eaft t\u1eeb:<\/li>\n<\/ul>\n<p dir=\"ltr\">3Fe + 2O2 \u2192 (T0) Fe3O4<\/p>\n<ul style=\"list-style-type: circle\">\n<li dir=\"ltr\">\u1ea2nh h\u01b0\u1edfng v\u1edbi clorua t\u1ea1o clo (iii) clorua<\/li>\n<\/ul>\n<p dir=\"ltr\">2Fe + 3Cl2 \u2192 (T0) 2FECL3<\/p>\n<ul style=\"list-style-type: circle\">\n<li dir=\"ltr\">\u1ea2nh h\u01b0\u1edfng v\u1edbi c\u00e1c phi kim kh\u00e1c t\u1ea1o th\u00e0nh mu\u1ed1i.<\/li>\n<\/ul>\n<ul>\n<li dir=\"ltr\">\u1ea2nh h\u01b0\u1edfng v\u1edbi dung d\u1ecbch axit t\u1ea1o th\u00e0nh mu\u1ed1i s\u1eaft (II) v\u00e0 gi\u1ea3i ph\u00f3ng kh\u00ed H2<\/li>\n<\/ul>\n<p dir=\"ltr\">Fe + 2HCl \u2192 FECL2 + H2<\/p>\n<ul>\n<li dir=\"ltr\">Hi\u1ec7u qu\u1ea3 v\u1edbi dung d\u1ecbch mu\u1ed1i<\/li>\n<\/ul>\n<p dir=\"ltr\">Ho\u1ea1t \u0111\u1ed9ng s\u1eaft v\u1edbi dung d\u1ecbch mu\u1ed1i kim lo\u1ea1i \u00edt ho\u1ea1t \u0111\u1ed9ng h\u01a1n trong vi\u1ec7c t\u1ea1o th\u00e0nh mu\u1ed1i m\u1edbi v\u00e0 kim lo\u1ea1i m\u1edbi.<\/p>\n<p dir=\"ltr\">Fe + Cuso4 \u2192 Feso4 + Cu<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_2_Hoa_hoc_SGK_9_trang_60\"><\/span>B\u00e0i t\u1eadp 2 (H\u00f3a h\u1ecdc SGK 9, trang 60)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">T\u1eeb ch\u1ea5t s\u1eaft v\u00e0 h\u00f3a ch\u1ea5t thi\u1ebft y\u1ebfu, vi\u1ebft c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc \u0111\u1ec3 thu \u0111\u01b0\u1ee3c c\u00e1c oxit ri\u00eang bi\u1ec7t: Fe3O4, Fe2O3 v\u00e0 ch\u1ec9 \u0111\u1ecbnh \u0111i\u1ec1u ki\u1ec7n ph\u1ea3n \u1ee9ng, n\u1ebfu c\u00f3.<\/p>\n<p dir=\"ltr\">\u0110\u1ec1 xu\u1ea5t cho c\u00e2u tr\u1ea3 l\u1eddi:<\/p>\n<p dir=\"ltr\">A) 3Fe + 2O2 \u2192 (T0) Fe3O4<\/p>\n<p dir=\"ltr\">B) 2Fe + 3Cl2 \u2192 (T0) 2FECL3<\/p>\n<p dir=\"ltr\">FECL3 + 3Naoh \u2192 3NaCl + Fe (OH) 3<\/p>\n<p dir=\"ltr\">2fe (OH) 3 \u2192 Fe203 + 3H2O<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_3_Hoa_hoc_SGK_9_trang_60\"><\/span>B\u00e0i t\u1eadp 3 (H\u00f3a h\u1ecdc SGK 9, trang 60)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">C\u00f3 t\u1ea1p ch\u1ea5t kim lo\u1ea1i s\u1eaft v\u00e0 t\u1ea1p ch\u1ea5t nh\u00f4m. Vui l\u00f2ng n\u00eau ph\u01b0\u01a1ng ph\u00e1p l\u00e0m s\u1ea1ch s\u1eaft.<\/p>\n<p dir=\"ltr\">\u0110\u1ec1 xu\u1ea5t cho c\u00e2u tr\u1ea3 l\u1eddi:<\/p>\n<p dir=\"ltr\">\u0110\u1eb7t h\u1ed7n h\u1ee3p b\u1ed9t kim lo\u1ea1i trong dung d\u1ecbch ki\u1ec1m d\u01b0 th\u1eeba, nh\u00f4m s\u1ebd \u0111\u01b0\u1ee3c h\u00f2a tan b\u1eb1ng ki\u1ec1m<\/p>\n<p dir=\"ltr\">2AL + 2NAOH + 2H2O \u2192 2NALO2 + 3H2<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_4_Hoa_hoc_SGK_9_trang_60\"><\/span>B\u00e0i t\u1eadp 4 (H\u00f3a h\u1ecdc SGK 9, trang 60)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">\u0110i\u1ec1u n\u00e0o sau \u0111\u00e2y l\u00e0 s\u1eaft?<\/p>\n<p dir=\"ltr\">a) dung d\u1ecbch mu\u1ed1i Cu (NO3) 2<\/p>\n<p dir=\"ltr\">b) t\u1eadp trung, H2SO4 m\u00e1t m\u1ebb<\/p>\n<p dir=\"ltr\">c) kh\u00ed cl2<\/p>\n<p dir=\"ltr\">D) Gi\u1ea3i ph\u00e1p ZnSO4.<\/p>\n<p dir=\"ltr\">Vi\u1ebft ph\u01b0\u01a1ng tr\u00ecnh h\u00f3a h\u1ecdc v\u00e0 \u0111i\u1ec1u ki\u1ec7n ghi, n\u1ebfu c\u00f3.<\/p>\n<p dir=\"ltr\">\u0110\u1ec1 xu\u1ea5t cho c\u00e2u tr\u1ea3 l\u1eddi:<\/p>\n<p dir=\"ltr\">S\u1eaft ho\u1ea1t \u0111\u1ed9ng v\u1edbi dung d\u1ecbch Cu (NO3) 2 v\u00e0 kh\u00ed CL2.<\/p>\n<p dir=\"ltr\">Fe + Cu (NO3) 2 \u2192 Fe (NO3) 2 + Cu<\/p>\n<p dir=\"ltr\">2Fe + 3Cl2 \u2192 (T0) 2FECL3<\/p>\n<h3 dir=\"ltr\"><span class=\"ez-toc-section\" id=\"Bai_tap_5_Trang_60_Sach_giao_khoa\"><\/span>B\u00e0i t\u1eadp 5 (Trang 60 S\u00e1ch gi\u00e1o khoa)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p dir=\"ltr\">Ng\u00e2m b\u1ed9t s\u1eaft d\u01b0 th\u1eeba trong 10 ml dung d\u1ecbch \u0111\u1ed3ng sunfat 1m. Sau khi k\u1ebft th\u00fac ph\u1ea3n \u1ee9ng, l\u1ecdc ch\u1ea5t r\u1eafn A v\u00e0 dung d\u1ecbch B.<\/p>\n<p dir=\"ltr\">a) \u0110\u1ec3 m\u1ed9t c\u00f4ng vi\u1ec7c v\u1edbi gi\u1ea3i ph\u00e1p HCL d\u01b0 th\u1eeba. T\u00ednh to\u00e1n l\u01b0\u1ee3ng r\u1eafn c\u00f2n l\u1ea1i sau ph\u1ea3n \u1ee9ng.<\/p>\n<p dir=\"ltr\">b) T\u00ednh th\u1ec3 t\u00edch dung d\u1ecbch NaOH 1M v\u1eeba \u0111\u1ee7 \u0111\u1ec3 k\u1ebft t\u1ee7a ho\u00e0n to\u00e0n dung d\u1ecbch B.<\/p>\n<p dir=\"ltr\">\u0110\u1ec1 xu\u1ea5t cho c\u00e2u tr\u1ea3 l\u1eddi:<\/p>\n<p dir=\"ltr\">A) NCUSO4 = 1.0,01 = 0,01 mol<\/p>\n<p dir=\"ltr\">PTHH: Fe + Cuso4 \u2192 Feso4 + Cu<\/p>\n<p dir=\"ltr\">Do d\u01b0 th\u1eeba s\u1eaft, r\u1eafn A bao g\u1ed3m: d\u01b0 l\u01b0\u1ee3ng Cu v\u00e0 Fe<\/p>\n<p dir=\"ltr\">Th\u00eam m\u1ed9t gi\u1ea3i ph\u00e1p HCL d\u01b0 th\u1eeba<\/p>\n<p dir=\"ltr\">Fe + 2HCl \u2192 FECL2 + H2<\/p>\n<p dir=\"ltr\">=&gt; Ch\u1ea5t r\u1eafn c\u00f2n l\u1ea1i l\u00e0 Cu: MCU = 0,01,64 = 0,64 gram<\/p>\n<p dir=\"ltr\">b) Gi\u1ea3i ph\u00e1p B bao g\u1ed3m FESO4<\/p>\n<p dir=\"ltr\">PTHH: FESO4 + 2NAOH \u2192 NA2SO4 + Fe (OH) 2<\/p>\n<p dir=\"ltr\">(mol) 0,01 0,02 0,01 0,01<\/p>\n<p dir=\"ltr\">Kh\u1ed1i l\u01b0\u1ee3ng NaOH \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0<\/p>\n<p dir=\"ltr\">Vddnaoh = n\/cm = 0,02\/1 = 0,02 l\u00edt = 20ml<\/p>\n<\/p>\n<p dir=\"ltr\">Hy v\u1ecdng r\u1eb1ng b\u00e0i vi\u1ebft \u0111\u00e3 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 kim lo\u1ea1i s\u1eaft v\u00e0 \u1ee9ng d\u1ee5ng s\u1eaft trong cu\u1ed9c s\u1ed1ng. \u0110\u1eebng qu\u00ean truy c\u1eadp trang web kh\u1ec9 m\u1ed7i ng\u00e0y \u0111\u1ec3 \u0111\u1ecdc th\u00eam v\u1ec1 ki\u1ebfn \u200b\u200bth\u1ee9c ch\u1ee7 \u0111\u1ec1 kh\u00e1c!<\/p>\n<p>Ngu\u1ed3n: <a href=\"http:\/\/www.ckconitsha.com\/vn\/\">http:\/\/www.ckconitsha.com\/vn\/<\/a> T\u00e1c gi\u1ea3: <a href=\"https:\/\/www.ckconitsha.com\/vn\/author\/nguyenlandung\">Nguy\u1ec5n L\u00e2n d\u0169ng<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1eeb th\u1eddi c\u1ed5 \u0111\u1ea1i, m\u1ecdi ng\u01b0\u1eddi \u0111\u00e3 bi\u1ebft s\u1eed d\u1ee5ng h\u1ee3p kim s\u1eaft v\u00e0 s\u1eaft. Ng\u00e0y nay, s\u1eaft v\u1eabn l\u00e0 m\u1ed9t kim lo\u1ea1i \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ea5t nhi\u1ec1u trong cu\u1ed9c s\u1ed1ng h\u00e0ng ng\u00e0y. \u0110i\u1ec1u n\u00e0y l\u00e0 do s\u1eaft c\u00f3 \u0111\u1eb7c t\u00ednh v\u1eadt l\u00fd v\u00e0 h\u00f3a h\u1ecdc \u0111\u1eb7c bi\u1ec7t. V\u1eady kim lo\u1ea1i s\u1eaft l\u00e0 g\u00ec? Kh\u00e1i&#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-20964","post","type-post","status-publish","format-standard","hentry","category-kien-thuc"],"_links":{"self":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20964","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=20964"}],"version-history":[{"count":2,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20964\/revisions"}],"predecessor-version":[{"id":25479,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/posts\/20964\/revisions\/25479"}],"wp:attachment":[{"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/media?parent=20964"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/categories?post=20964"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ckconitsha.com\/vn\/wp-json\/wp\/v2\/tags?post=20964"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}