{"id":4646,"date":"2020-04-20T15:48:00","date_gmt":"2020-04-20T08:48:00","guid":{"rendered":"https:\/\/bacdau.vn\/?post_type=kb&p=4646"},"modified":"2020-04-20T15:48:00","modified_gmt":"2020-04-20T08:48:00","slug":"cach-giai-bai-toan-theo-phuong-trinh-hoa-hoc","status":"publish","type":"kb","link":"https:\/\/bacdau.vn\/kb\/cach-giai-bai-toan-theo-phuong-trinh-hoa-hoc\/","title":{"rendered":"C\u00e1ch gi\u1ea3i b\u00e0i to\u00e1n theo ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc"},"content":{"rendered":"

C\u00e1ch gi\u1ea3i b\u00e0i to\u00e1n theo ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc<\/strong><\/h2>\n

Ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc<\/strong> l\u00e0 ki\u1ebfn th\u1ee9c v\u00f4 c\u00f9ng quan tr\u1ecdng trong khung h\u1ecdc t\u1ea1i ph\u1ed5 th\u00f4ng hi\u1ec7n nay, d\u1ef1a v\u00e0o ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u b\u00e0i to\u00e0n kh\u00f3. V\u1eady gi\u1ea3i b\u00e0i to\u00e1n theo ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc nh\u01b0 th\u1ebf n\u00e0o?<\/strong> M\u1eddi c\u00e1c b\u1ea1n c\u00f9ng v\u1edbi bacdau.vn<\/strong> \u0111i gi\u1ea3i \u0111\u00e1p nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y nh\u00e9!\"\"<\/p>\n

Ph\u01b0\u01a1ng ph\u00e1p chung gi\u1ea3i ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc<\/h3>\n

Tr\u01b0\u1edbc khi ti\u1ebfn h\u00e0nh gi\u1ea3i theo ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc, b\u1ea1n ph\u1ea3i n\u1eafm \u0111\u01b0\u1ee3c nh\u1eefng l\u01b0u \u00fd sau:<\/p>\n

+ Chuy\u1ec3n \u0111\u1ed5i gi\u1eefa kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t ho\u1eb7c th\u1ec3 t\u00edch ch\u1ea5t kh\u00ed th\u00e0nh s\u1ed1 mol ch\u1ea5t
\n+ Vi\u1ebft \u0111\u1ea7y \u0111\u1ee7 ch\u00ednh x\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc x\u1ea3y ra.
\n+ D\u1ef1a v\u00e0o ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc \u0111\u1ec3 t\u00ecm s\u1ed1 mol ch\u1ea5t tham gia ho\u1eb7c ch\u1ea5t t\u1ea1o th\u00e0nh.
\n+ Chuy\u1ec3n \u0111\u1ed5i s\u1ed1 mol th\u00e0nh kh\u1ed1i l\u01b0\u1ee3ng (m = n.M) ho\u1eb7c th\u1ec3 t\u00edch ch\u1ea5t kh\u00ed \u1edf \u0111ktc ( V= n.22,4).<\/p>\n

C\u00e1c d\u1ea1ng b\u00e0i t\u1eadp ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc<\/h3>\n

+ D\u1ef1a v\u00e0o s\u1ed1 mol t\u00ednh kh\u1ed1i l\u01b0\u1ee3ng ho\u1eb7c th\u1ec3 t\u00edch ch\u1ea5t tham gia (ho\u1eb7c ch\u1ea5t t\u1ea1o th\u00e0nh)<\/em><\/p>\n

C\u00e1ch l\u00e0m<\/strong>: – T\u00ecm s\u1ed1 mol ch\u1ea5t \u0111\u1ec1 b\u00e0i cho: n = m\/M ho\u1eb7c n = V\/22,4<\/strong>
\n– L\u1eadp ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc
\n– D\u1ef1a. v\u00e0o t\u1ec9 l\u1ec7 c\u00e1c ch\u1ea5t c\u00f3 trong ph\u01b0\u01a1ng tr\u00ecnh t\u00ecm ra s\u1ed1 mol ch\u1ea5t c\u1ea7n t\u00ecm
\n– Chuy\u1ec3n \u0111\u1ed5i ra s\u1ed1 gam ho\u1eb7c th\u1ec3 t\u00edch ch\u1ea5t c\u1ea7n t\u00ecm.<\/p>\n

\"\"<\/p>\n

+ T\u00ecm ch\u1ea5t d\u01b0 trong ph\u1ea3n \u1ee9ng<\/em><\/p>\n

C\u00e1ch l\u00e0m:<\/strong> Trong tr\u01b0\u1eddng h\u1ee3p b\u00e0i to\u00e1n cho bi\u1ebft l\u01b0\u1ee3ng c\u1ea3 2 ch\u1ea5t tham gia v\u00e0 y\u00eau c\u1ea7u t\u00ednh l\u01b0\u1ee3ng ch\u1ea5t t\u1ea1o th\u00e0nh. Trong 2 ch\u1ea5t tham gia s\u1ebd c\u00f3 m\u1ed9t ch\u1ea5t ph\u1ea3n \u1ee9ng h\u1ebft, ch\u1ea5t c\u00f2n l\u1ea1i c\u00f3 th\u1ec3 h\u1ebft ho\u1eb7c d\u01b0 sau khi ph\u1ea3n \u1ee9ng k\u1ebft th\u00fac. Do \u0111\u00f3 ph\u1ea3i t\u00ecm xem trong 2 ch\u1ea5t tham gia ph\u1ea3n \u1ee9ng ch\u1ea5t n\u00e0o ph\u1ea3n \u1ee9ng h\u1ebft.<\/p>\n

C\u00f4ng th\u1ee9c: Na\/a v\u00e0 Nb\/b<\/strong><\/p>\n

V\u1edbi: Na: s\u1ed1 mol ch\u1ea5t a
\nNb: s\u1ed1 mol ch\u1ea5t b<\/p>\n

+ T\u00ednh hi\u1ec7u su\u1ea5t c\u1ee7a ph\u1ea3n \u1ee9ng<\/em><\/p>\n

C\u00e1ch l\u00e0m:<\/strong> Trong th\u1ef1c t\u1ebf, m\u1ed9t ph\u1ea3n \u1ee9ng ho\u00e1 h\u1ecdc x\u1ea3y ra ph\u1ee5 thu\u1ed9c v\u00e0o r\u1ea5t nhi\u1ec1u y\u1ebfu t\u1ed1 nh\u01b0 nhi\u1ec7t \u0111\u1ed9, ch\u1ea5t x\u00fac t\u00e1c…l\u00e0m cho ch\u1ea5t tham gia ph\u1ea3n \u1ee9ng kh\u00f4ng t\u00e1c d\u1ee5ng h\u1ebft, ngh\u0129a l\u00e0 hi\u1ec7u su\u1ea5t d\u01b0\u1edbi 100%. Hi\u1ec7u su\u1ea5t c\u1ee7a ph\u1ea3n \u1ee9ng \u0111\u01b0\u1ee3c t\u00ednh theo m\u1ed9t trong 2 c\u00e1ch sau:<\/p>\n

C\u00e1ch 1:<\/strong> Hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng li\u00ean quan \u0111\u1ebfn kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m:<\/p>\n

C\u00f4ng th\u1ee9c: H% = ( Kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m th\u1ef1c t\u1ebf \/ Kh\u1ed1i l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m l\u00fd thuy\u1ebft ) x 100%<\/strong><\/p>\n

C\u00e1ch 2<\/strong>: Hi\u1ec7u su\u1ea5t ph\u1ea3n \u1ee9ng li\u00ean quan \u0111\u1ebfn ch\u1ea5t tham gia:<\/p>\n

C\u00f4ng th\u1ee9c: H% = ( Kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tham gia th\u1ef1c t\u1ebf \/ Kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tham gia l\u00fd thuy\u1ebft ) x 100%<\/strong><\/p>\n

Hi v\u1ecdng v\u1edbi nh\u1eefng chia s\u1ebb tr\u00ean v\u1ec1 c\u00e1ch gi\u1ea3i b\u00e0i to\u00e1n theo ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc<\/strong>. Hi v\u1ecdng b\u1ea1n s\u1ebd gi\u00fap b\u1ea1n b\u1ed5 sung th\u00eam \u0111\u01b0\u1ee3c \u00edt ki\u1ebfn th\u1ee9c v\u00e0 c\u00f3 nh\u1eefng th\u1eddi gian vui v\u1ebb b\u00ean BacDau.Vn<\/strong> nh\u00e9<\/p>\n","protected":false},"excerpt":{"rendered":"

Ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc l\u00e0 ki\u1ebfn th\u1ee9c v\u00f4 c\u00f9ng quan tr\u1ecdng trong khung h\u1ecdc t\u1ea1i ph\u1ed5 th\u00f4ng hi\u1ec7n nay, d\u1ef1a v\u00e0o ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc c\u00f3 th\u1ec3 gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c r\u1ea5t nhi\u1ec1u b\u00e0i to\u00e0n kh\u00f3. V\u1eady gi\u1ea3i b\u00e0i to\u00e1n theo ph\u01b0\u01a1ng tr\u00ecnh ho\u00e1 h\u1ecdc nh\u01b0 th\u1ebf n\u00e0o? M\u1eddi c\u00e1c b\u1ea1n c\u00f9ng v\u1edbi bacdau.vn \u0111i gi\u1ea3i \u0111\u00e1p nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0y nh\u00e9!<\/p>\n","protected":false},"author":1,"featured_media":4647,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-gradient":""}}},"kbtopic":[764],"kbtag":[],"_links":{"self":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb\/4646"}],"collection":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb"}],"about":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/types\/kb"}],"author":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/comments?post=4646"}],"version-history":[{"count":0,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb\/4646\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/media\/4647"}],"wp:attachment":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/media?parent=4646"}],"wp:term":[{"taxonomy":"kbtopic","embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kbtopic?post=4646"},{"taxonomy":"kbtag","embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kbtag?post=4646"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}