B\u00e0i 1 (trang 135 SGK H\u00f3a 12):\u00a0Vi\u1ebft b\u1ea3n t\u01b0\u1eddng tr\u00ecnh<\/strong><\/p>\nTh\u00ed nghi\u1ec7m 1:<\/b>\u00a0So s\u00e1nh kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng c\u1ee7a Na, Mg, Al v\u1edbi n\u01b0\u1edbc.<\/p>\n
Hi\u1ec7n t\u01b0\u1ee3ng: Khi ch\u01b0a \u0111un:<\/p>\n
+ \u1ed0ng 1: Kh\u00ed tho\u00e1t ra m\u1ea1nh, dung d\u1ecbch thu \u0111\u01b0\u1ee3c c\u00f3 m\u00e0u h\u1ed3ng.<\/p>\n
+ \u1ed0ng 2 v\u00e0 \u1ed1ng 3 kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng.<\/p>\n
Gi\u1ea3i th\u00edch: \u1ed0ng 1 x\u1ea3y ra ph\u1ea3n \u1ee9ng.<\/p>\n
Na + H2<\/sub>O \u2192 NaOH + 1\/2 H2<\/sub>.<\/p>\nKh\u00ed tho\u00e1t ra l\u00e0 H2<\/sub>\u00a0dung d\u1ecbch thu \u0111\u01b0\u1ee3c l\u00e0 dung d\u1ecbch ki\u1ec1m n\u00ean phenolphtalein chuy\u1ec3n m\u00e0u h\u1ed3ng.<\/p>\n– \u1ed0ng 2 +3: Kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng do Mg ph\u1ea3n \u1ee9ng ch\u1eadm v\u1edbi H2<\/sub>O c\u00f2n Al c\u00f3 l\u1edbp b\u1ea3o v\u1ec7 Al(OH)3<\/sub>.<\/p>\nKhi \u0111un s\u00f4i:<\/p>\n
\u1ed0ng 2: Dung d\u1ecbch thu \u0111\u01b0\u1ee3c c\u00f3 m\u00e0u h\u1ed3ng nh\u1ea1t.<\/p>\n
\u1ed0ng 3: Kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng.<\/p>\n
Gi\u1ea3i th\u00edch: \u1ed0ng 2: Mg t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc nhanh h\u01a1n t\u1ea1o ra dung d\u1ecbch baz\u01a1 y\u1ebfu n\u00ean dung d\u1ecbch c\u00f3 m\u00e0u h\u1ed3ng nh\u1ea1t.<\/p>\n
\u1ed0ng 3: L\u1edbp b\u1ea3o v\u1ec7 Al(OH)3<\/sub>\u00a0ng\u0103n kh\u00f4ng cho Al t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc.<\/p>\nK\u1ebft lu\u1eadn: Kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng v\u1edbi n\u01b0\u1edbc Na > Mg > Al.<\/p>\n
Th\u00ed nghi\u1ec7m 2:<\/b>\u00a0Nh\u00f4m t\u00e1c d\u1ee5ng v\u1edbi dung d\u1ecbch ki\u1ec1m.<\/p>\n
Hi\u1ec7n t\u01b0\u1ee3ng: C\u00f3 b\u1ecdt kh\u00ed tho\u00e1t ra.<\/p>\n
Khi cho Al v\u00e0o dung d\u1ecbch NaOH th\u00ec l\u1edbp Al2<\/sub>O3<\/sub>\u00a0tr\u00ean b\u1ec1 m\u1eb7t Al b\u1ecb b\u00e0o m\u00f2n.<\/p>\nAl2<\/sub>O3<\/sub>\u00a0+ 2NaOH \u2192 2NaAlO2<\/sub>\u00a0+ H2<\/sub>O.<\/p>\nAl m\u1ea5t l\u1edbp b\u1ea3o v\u1ec7 Al2<\/sub>O3<\/sub>\u00a0t\u00e1c d\u1ee5ng v\u1edbi n\u01b0\u1edbc:<\/p>\n2Al + 6H2<\/sub>O \u2192 2Al(OH)3<\/sub>\u00a0+ 3H2<\/sub>.<\/p>\nAl(OH)3<\/sub>\u00a0sinh ra l\u1ea1i tan trong dung d\u1ecbch ki\u1ec1m<\/p>\nAl(OH)3<\/sub>\u00a0+ NaOH \u2192 NaAlO2<\/sub>\u00a0+ 2H2<\/sub>O.<\/p>\n2 ph\u1ea3n \u1ee9ng x\u1ea3y ra xen k\u1ebd nhau \u0111\u1ebfn khi Al tan ho\u00e0n to\u00e0n.<\/p>\n
Th\u00ed nghi\u1ec7m 3:<\/b>\u00a0T\u00ednh ch\u1ea5t l\u01b0\u1ee1ng t\u00ednh c\u1ee7a Al(OH)3<\/sub>.<\/p>\nHi\u1ec7n t\u01b0\u1ee3ng: Nh\u1ecf NH3<\/sub>\u00a0v\u00e0o c\u1ea3 2 \u1ed1ng \u0111\u1ec1u xu\u1ea5t hi\u1ec7n k\u1ebft t\u1ee7a tr\u1eafng<\/p>\nK\u1ebft t\u1ee7a tr\u1eafng l\u00e0 Al(OH)3<\/sub>\u00a0t\u1ea1o th\u00e0nh sau ph\u1ea3n \u1ee9ng:<\/p>\nAlCl3<\/sub>\u00a0+ 3H2<\/sub>O + 3NH3<\/sub>\u00a0\u2192 Al(OH)3<\/sub>\u00a0+ 3NH4<\/sub>Cl.<\/p>\nK\u1ebft t\u1ee7a tr\u1eafng tan.<\/p>\n
K\u1ebft t\u1ee7a tan l\u00e0 do Al(OH)3<\/sub>\u00a0ph\u1ea3n \u1ee9ng v\u1edbi axit v\u00e0 ki\u1ec1m t\u1ea1o ra mu\u1ed1i tan:<\/p>\nAl(OH)3<\/sub>\u00a0+ 3HCl \u2192 AlCl3<\/sub>\u00a0+ 3H2<\/sub>O.<\/p>\nAl(OH)3<\/sub>\u00a0+ NaOH \u2192 NaAlO2<\/sub>\u00a0+ 2H2<\/sub>O.<\/p>\nK\u1ebft t\u1ee7a tr\u1eafng xu\u1ea5t hi\u1ec7n r\u1ed3i l\u1ea1i tan.<\/p>\n
K\u1ebft t\u1ee7a tr\u1eafng l\u00e0 Al(OH)3<\/sub>\u00a0sau \u0111\u00f3 tan trong axit d\u01b0.<\/p>\nNaAlO2<\/sub>\u00a0+ H2<\/sub>O + HCl \u2192 Al(OH)3<\/sub>\u00a0+ NaHCO3<\/sub>.<\/p>\nK\u00e9t lu\u1eadn : Al(OH)3<\/sub>\u00a0l\u00e0 hi\u0111roxit l\u01b0\u1ee1ng t\u00ednh.<\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":"
B\u00e0i 1 (trang 135 SGK H\u00f3a 12):\u00a0Vi\u1ebft b\u1ea3n t\u01b0\u1eddng tr\u00ecnh Th\u00ed nghi\u1ec7m 1:\u00a0So s\u00e1nh kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng c\u1ee7a Na, Mg, Al v\u1edbi n\u01b0\u1edbc. Hi\u1ec7n t\u01b0\u1ee3ng: Khi ch\u01b0a \u0111un: + \u1ed0ng 1: Kh\u00ed tho\u00e1t ra m\u1ea1nh, dung d\u1ecbch thu \u0111\u01b0\u1ee3c c\u00f3 m\u00e0u h\u1ed3ng. + \u1ed0ng 2 v\u00e0 \u1ed1ng 3 kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng. Gi\u1ea3i th\u00edch: […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1305],"tags":[1419,1420],"yoast_head":"\n
Ch\u01b0\u01a1ng 6 - B\u00e0i 30: Th\u1ef1c h\u00e0nh: T\u00ednh ch\u1ea5t c\u1ee7a natri, magie, nh\u00f4m v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a ch\u00fang<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/chuong-6-bai-30-thuc-hanh-tinh-chat-cua-natri-magie-nhom-va-hop-chat-cua-chung\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ch\u01b0\u01a1ng 6 - B\u00e0i 30: Th\u1ef1c h\u00e0nh: T\u00ednh ch\u1ea5t c\u1ee7a natri, magie, nh\u00f4m v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a ch\u00fang\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 135 SGK H\u00f3a 12):\u00a0Vi\u1ebft b\u1ea3n t\u01b0\u1eddng tr\u00ecnh Th\u00ed nghi\u1ec7m 1:\u00a0So s\u00e1nh kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng c\u1ee7a Na, Mg, Al v\u1edbi n\u01b0\u1edbc. Hi\u1ec7n t\u01b0\u1ee3ng: Khi ch\u01b0a \u0111un: + \u1ed0ng 1: Kh\u00ed tho\u00e1t ra m\u1ea1nh, dung d\u1ecbch thu \u0111\u01b0\u1ee3c c\u00f3 m\u00e0u h\u1ed3ng. + \u1ed0ng 2 v\u00e0 \u1ed1ng 3 kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng. Gi\u1ea3i th\u00edch: […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/chuong-6-bai-30-thuc-hanh-tinh-chat-cua-natri-magie-nhom-va-hop-chat-cua-chung\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam\" \/>\n<meta property=\"article:published_time\" content=\"2018-03-28T16:08:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-03-28T16:09:36+00:00\" \/>\n<meta name=\"author\" content=\"H\u00e0 Trang\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"H\u00e0 Trang\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/lop12.edu.vn\/chuong-6-bai-30-thuc-hanh-tinh-chat-cua-natri-magie-nhom-va-hop-chat-cua-chung\/\",\"url\":\"https:\/\/lop12.edu.vn\/chuong-6-bai-30-thuc-hanh-tinh-chat-cua-natri-magie-nhom-va-hop-chat-cua-chung\/\",\"name\":\"Ch\u01b0\u01a1ng 6 - B\u00e0i 30: Th\u1ef1c h\u00e0nh: T\u00ednh ch\u1ea5t c\u1ee7a natri, magie, nh\u00f4m v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a ch\u00fang\",\"isPartOf\":{\"@id\":\"https:\/\/lop12.edu.vn\/#website\"},\"datePublished\":\"2018-03-28T16:08:28+00:00\",\"dateModified\":\"2018-03-28T16:09:36+00:00\",\"author\":{\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\"},\"breadcrumb\":{\"@id\":\"https:\/\/lop12.edu.vn\/chuong-6-bai-30-thuc-hanh-tinh-chat-cua-natri-magie-nhom-va-hop-chat-cua-chung\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/lop12.edu.vn\/chuong-6-bai-30-thuc-hanh-tinh-chat-cua-natri-magie-nhom-va-hop-chat-cua-chung\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/lop12.edu.vn\/chuong-6-bai-30-thuc-hanh-tinh-chat-cua-natri-magie-nhom-va-hop-chat-cua-chung\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/lop12.edu.vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Ch\u01b0\u01a1ng 6 – B\u00e0i 30: Th\u1ef1c h\u00e0nh: T\u00ednh ch\u1ea5t c\u1ee7a natri, magie, nh\u00f4m v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a ch\u00fang\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/lop12.edu.vn\/#website\",\"url\":\"https:\/\/lop12.edu.vn\/\",\"name\":\"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/lop12.edu.vn\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45\",\"name\":\"H\u00e0 Trang\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g\",\"caption\":\"H\u00e0 Trang\"},\"url\":\"https:\/\/lop12.edu.vn\/author\/trangvth2\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Ch\u01b0\u01a1ng 6 - B\u00e0i 30: Th\u1ef1c h\u00e0nh: T\u00ednh ch\u1ea5t c\u1ee7a natri, magie, nh\u00f4m v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a ch\u00fang","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/lop12.edu.vn\/chuong-6-bai-30-thuc-hanh-tinh-chat-cua-natri-magie-nhom-va-hop-chat-cua-chung\/","og_locale":"en_US","og_type":"article","og_title":"Ch\u01b0\u01a1ng 6 - B\u00e0i 30: Th\u1ef1c h\u00e0nh: T\u00ednh ch\u1ea5t c\u1ee7a natri, magie, nh\u00f4m v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a ch\u00fang","og_description":"B\u00e0i 1 (trang 135 SGK H\u00f3a 12):\u00a0Vi\u1ebft b\u1ea3n t\u01b0\u1eddng tr\u00ecnh Th\u00ed nghi\u1ec7m 1:\u00a0So s\u00e1nh kh\u1ea3 n\u0103ng ph\u1ea3n \u1ee9ng c\u1ee7a Na, Mg, Al v\u1edbi n\u01b0\u1edbc. Hi\u1ec7n t\u01b0\u1ee3ng: Khi ch\u01b0a \u0111un: + \u1ed0ng 1: Kh\u00ed tho\u00e1t ra m\u1ea1nh, dung d\u1ecbch thu \u0111\u01b0\u1ee3c c\u00f3 m\u00e0u h\u1ed3ng. + \u1ed0ng 2 v\u00e0 \u1ed1ng 3 kh\u00f4ng c\u00f3 hi\u1ec7n t\u01b0\u1ee3ng. Gi\u1ea3i th\u00edch: […]","og_url":"https:\/\/lop12.edu.vn\/chuong-6-bai-30-thuc-hanh-tinh-chat-cua-natri-magie-nhom-va-hop-chat-cua-chung\/","og_site_name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam","article_published_time":"2018-03-28T16:08:28+00:00","article_modified_time":"2018-03-28T16:09:36+00:00","author":"H\u00e0 Trang","twitter_card":"summary_large_image","twitter_misc":{"Written by":"H\u00e0 Trang","Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/lop12.edu.vn\/chuong-6-bai-30-thuc-hanh-tinh-chat-cua-natri-magie-nhom-va-hop-chat-cua-chung\/","url":"https:\/\/lop12.edu.vn\/chuong-6-bai-30-thuc-hanh-tinh-chat-cua-natri-magie-nhom-va-hop-chat-cua-chung\/","name":"Ch\u01b0\u01a1ng 6 - B\u00e0i 30: Th\u1ef1c h\u00e0nh: T\u00ednh ch\u1ea5t c\u1ee7a natri, magie, nh\u00f4m v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a ch\u00fang","isPartOf":{"@id":"https:\/\/lop12.edu.vn\/#website"},"datePublished":"2018-03-28T16:08:28+00:00","dateModified":"2018-03-28T16:09:36+00:00","author":{"@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45"},"breadcrumb":{"@id":"https:\/\/lop12.edu.vn\/chuong-6-bai-30-thuc-hanh-tinh-chat-cua-natri-magie-nhom-va-hop-chat-cua-chung\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lop12.edu.vn\/chuong-6-bai-30-thuc-hanh-tinh-chat-cua-natri-magie-nhom-va-hop-chat-cua-chung\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/lop12.edu.vn\/chuong-6-bai-30-thuc-hanh-tinh-chat-cua-natri-magie-nhom-va-hop-chat-cua-chung\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/lop12.edu.vn\/"},{"@type":"ListItem","position":2,"name":"Ch\u01b0\u01a1ng 6 – B\u00e0i 30: Th\u1ef1c h\u00e0nh: T\u00ednh ch\u1ea5t c\u1ee7a natri, magie, nh\u00f4m v\u00e0 h\u1ee3p ch\u1ea5t c\u1ee7a ch\u00fang"}]},{"@type":"WebSite","@id":"https:\/\/lop12.edu.vn\/#website","url":"https:\/\/lop12.edu.vn\/","name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/lop12.edu.vn\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/2da855e5d06b553ac0065157cc261a45","name":"H\u00e0 Trang","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/545a8100db1147f314111301d261dc33?s=96&d=mm&r=g","caption":"H\u00e0 Trang"},"url":"https:\/\/lop12.edu.vn\/author\/trangvth2\/"}]}},"_links":{"self":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/24326"}],"collection":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/comments?post=24326"}],"version-history":[{"count":3,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/24326\/revisions"}],"predecessor-version":[{"id":24330,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/24326\/revisions\/24330"}],"wp:attachment":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media?parent=24326"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/categories?post=24326"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/tags?post=24326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}