{"id":4650,"date":"2020-04-20T15:49:28","date_gmt":"2020-04-20T08:49:28","guid":{"rendered":"https:\/\/bacdau.vn\/?post_type=kb&p=4650"},"modified":"2020-04-20T15:49:28","modified_gmt":"2020-04-20T08:49:28","slug":"dung-dich-va-dac-tinh-cua-dung-dich","status":"publish","type":"kb","link":"https:\/\/bacdau.vn\/kb\/dung-dich-va-dac-tinh-cua-dung-dich\/","title":{"rendered":"Dung d\u1ecbch v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a dung d\u1ecbch"},"content":{"rendered":"

Dung d\u1ecbch v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a dung d\u1ecbch<\/h2>\n

Dung d\u1ecbch<\/strong> l\u00e0 m\u1ed9t lo\u1ea1i h\u1ed7n h\u1ee3p \u0111\u1ed3ng nh\u1ea5t v\u00e0 b\u1ea1n ch\u1ec9 c\u00f3 th\u1ec3 pha. Dung d\u1ecbch l\u00e0 h\u1ed7n h\u1ee3p kh\u00f4ng th\u1ec3 thi\u1ebfu trong ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc v\u00e0 trong \u0111\u1eddi s\u1ed1ng h\u1eb1ng ng\u00e0y. V\u1eady dung d\u1ecbch l\u00e0 g\u00ec?<\/strong> \u0111\u1eb7c t\u00ednh c\u1ee7a dung d\u1ecbch ra sao?<\/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

\"\"<\/p>\n

Kh\u00e1i ni\u1ec7m c\u1ee7a dung d\u1ecbch<\/h3>\n

Dung d\u1ecbch ch\u00ednh l\u00e0 1 lo\u1ea1i h\u1ed7n h\u1ee3p, khi m\u00e0 m\u1ed9t ch\u1ea5t A \u0111\u01b0\u1ee3c ho\u00e0 tan v\u00e0o ch\u1ea5t B th\u00ec s\u1ebd t\u1ea1o ra C, v\u00e0 C ch\u00ednh l\u00e0 dung d\u1ecbch, trong \u0111\u00f3 A l\u00e0 ch\u1ea5t tan, B l\u00e0 ch\u1ea5t dung m\u00f4i v\u00e0 dung d\u1ecbch ch\u1ec9 c\u00f3 duy nh\u1ea5t 1 pha.<\/p>\n

\u1ede trong dung d\u1ecbch, th\u00ec ch\u1ea5t dung m\u00f4i chi\u1ebfm s\u1ed1 l\u01b0\u1ee3ng nhi\u1ec1u h\u01a1n, khi m\u00e0 t\u1ef7 l\u1ec7 dung d\u1ecbch kh\u00e1c nhau l\u00e0 kh\u00e1c nhau. Ch\u00ednh v\u00ec v\u1eady, t\u1ef7 l\u1ec7 c\u00e1c ch\u1ea5t c\u00f3 trong dung d\u1ecbch s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o l\u01b0\u1ee3ng ch\u1ea5t tan v\u00e0 ch\u1ea5t dung m\u00f4i \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng.<\/p>\n

VD: B\u1ea1n ho\u00e0 tan \u0111\u01b0\u1eddng v\u00e0o n\u01b0\u1edbc, k\u1ebft qu\u1ea3 s\u1ebd t\u1ea1o ra dung d\u1ecbch n\u01b0\u1edbc \u0111\u01b0\u1eddng. Ch\u1ea5t tan l\u00e0 \u0111\u01b0\u1eddng, dung m\u00f4i l\u00e0 n\u01b0\u1edbc.<\/p>\n

\u0110\u1eb7c t\u00ednh c\u1ee7a dung d\u1ecbch<\/h3>\n

– \u0110\u00e2y l\u00e0 m\u1ed9t lo\u1ea1i h\u1ed7n h\u1ee3p \u0111\u1ed3ng ch\u1ea5t, c\u00f3 th\u1ec3 nh\u00ecn b\u1eb1ng m\u1eaft th\u01b0\u1eddng, nh\u01b0ng l\u1ea1i kh\u00f4ng th\u1ec3 nh\u00ecn th\u1ea5y c\u00e1c ph\u00e2n t\u1eed ch\u1ea5t tan c\u00f3 trong dung d\u1ecbch \u0111\u01b0\u1ee3c. \u0110\u1eb7c bi\u1ec7t nh\u1ea5t, dung d\u1ecbch l\u00e0 lo\u1ea1i ch\u1ea5t c\u00f3 t\u00ednh \u1ed5n \u0111\u1ecbnh cao, cho n\u00ean n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p c\u01a1 h\u1ecdc b\u00ecnh th\u01b0\u1eddng th\u00ec s\u1ebd kh\u00f4ng th\u1ec3 t\u00e1ch r\u1eddi c\u00e1c ph\u1ea7n t\u1eed trong dung d\u1ecbch \u0111\u01b0\u1ee3c.<\/p>\n

– C\u00e1c lo\u1ea1i dung d\u1ecbch bao g\u1ed3m kh\u00ed, l\u1ecfng v\u00e0 r\u1eafn:<\/strong><\/p>\n

+ Dung d\u1ecbch r\u1eafn:<\/em> \u0110\u00e2y l\u00e0 dung d\u1ecbch c\u00f3 ch\u1ea5t dung m\u00f4i l\u00e0 ch\u1ea5t r\u1eafn. \u0110\u00e2y l\u00e0 lo\u1ea1i dung d\u1ecbch r\u1ea5t hi\u1ebfm khi g\u1eb7p, gi\u1ed1ng v\u1edbi dung d\u1ecbch kh\u00ed.
\n+ Dung d\u1ecbch kh\u00ed:<\/em> \u0110\u00e2y l\u00e0 dung d\u1ecbch c\u00f3 ch\u1ea5t dung m\u00f4i l\u00e0 ch\u1ea5t kh\u00ed. L\u00e0 lo\u1ea1i dung d\u1ecbch r\u1ea5t hi\u1ebfm khi g\u1eb7p, m\u00e0 ch\u1ec9 c\u00f3 th\u1ec3 ho\u00e0 tan nh\u1eefng ch\u1ea5t kh\u00ed kh\u00e1c \u1edf m\u1ed9t \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh.
\n+ Dung d\u1ecbch l\u1ecfng:<\/em> \u0110\u00e2y l\u00e0 dung d\u1ecbch c\u00f3 ch\u1ea5t dung m\u00f4i la ch\u1ea5t l\u1ecfng. \u0110\u00e2y l\u00e0 lo\u1ea1i dung d\u1ecbch m\u00e0 b\u1ea1n th\u01b0\u1eddng xuy\u00ean g\u1eb7p trong \u0111\u1eddi s\u1ed1ng h\u00e0ng ng\u00e0y, \u1edf dung d\u1ecbch l\u1ecfng, th\u00ec n\u00f3 c\u00f3 th\u1ec3 ho\u00e0 tan \u0111\u01b0\u1ee3c c\u1ea3 ch\u1ea5t l\u1ecfng v\u00e0 kh\u00ed.<\/p>\n

N\u1ed3ng \u0111\u1ed9 dung d\u1ecbch<\/h3>\n

Bao g\u1ed3m n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m v\u00e0 n\u1ed3ng \u0111\u1ed9 mol<\/p>\n

+ N\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m:<\/strong> \u0110\u01b0\u1ee3c k\u00fd hi\u1ec7u l\u00e0 C%, c\u00f3 ngh\u0129a l\u00e0 hi\u1ec3n th\u1ecb s\u1ed1 gam ch\u1ea5t tan \u0111\u01b0\u1ee3c ho\u00e0 tan trong 100mg dung d\u1ecbch.<\/p>\n

C\u00f4ng th\u1ee9c t\u00ednh n\u1ed3ng \u0111\u1ed9 ph\u1ea7n tr\u0103m: C =(Mct\/Mdd) x 100<\/strong><\/p>\n

Trong \u0111\u00f3: Mct: kh\u1ed1i l\u01b0\u1ee3ng ch\u1ea5t tan
\nMdd: kh\u1ed1i l\u01b0\u1ee3ng dung d\u1ecbch<\/p>\n

+ N\u1ed3ng \u0111\u1ed9 mol:<\/strong> \u0110\u01b0\u1ee3c k\u00fd hi\u1ec7u l\u00e0 CM, c\u00f3 ngh\u0129a l\u00e0 hi\u1ec3n th\u1ecb s\u1ed1 mol ch\u1ea5t tan c\u00f3 trong 1 l\u00edt dung d\u1ecbch<\/p>\n

C\u00f4ng th\u1ee9c t\u00ednh n\u1ed3ng \u0111\u1ed9 mol: CM = (n\/v)<\/strong><\/p>\n

Trong \u0111\u00f3: n: s\u1ed1 mol
\nv: th\u1ec3 t\u00edch dung d\u1ecbch<\/p>\n

\"\"<\/p>\n

Dung d\u1ecbch b\u00e3o ho\u00e0 v\u00e0 \u0111\u1ed9 tan<\/h3>\n

+ Dung d\u1ecbch b\u00e3o ho\u00e0 l<\/strong>\u00e0 dung d\u1ecbch c\u00e2n b\u1eb1ng v\u1edbi l\u01b0\u1ee3ng ch\u1ea5t tan khi ch\u01b0a \u0111\u01b0\u1ee3c h\u00f2a tan \u1edf \u0111i\u1ec1u ki\u1ec7n cho tr\u01b0\u1edbc. \u0110\u1ed1i v\u1edbi dung d\u1ecbch b\u00e3o ho\u00e0 th\u00ec ng\u01b0\u1eddi d\u00f9ng s\u1ebd kh\u00f4ng th\u1ec3 ho\u00e0 tan c\u00e1c ch\u1ea5t tan \u0111\u01b0\u1ee3c n\u1eefa.
\n+ \u0110\u1ed9 tan<\/strong> l\u00e0 m\u1ee9c \u0111o l\u01b0\u1ee3ng m\u1ed9t ch\u1ea5t tan nh\u1ea5t \u0111\u1ecbnh c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ho\u00e0 tan v\u00e0o trong m\u1ed9t l\u01b0\u1ee3ng dung m\u00f4i \u0111\u00e3 x\u00e1c \u0111\u1ecbnh \u1edf \u0111i\u1ec1u ki\u1ec7n cho tr\u01b0\u1edbc. Khi \u0111\u00f3 \u0111\u1ed9 tan d\u00f9ng \u0111\u1ec3 bi\u1ec3u hi\u1ec7n s\u1ed1 gam ch\u1ea5t tan c\u00f3 tr\u00ean 100g ch\u1ea5t dung m\u00f4i hay s\u1ed1 mol ch\u1ea5t tan c\u00f3 trong 1 \u00edt dung m\u00f4i.<\/p>\n

Hi v\u1ecdng v\u1edbi nh\u1eefng chia s\u1ebb tr\u00ean v\u1ec1 dung d\u1ecbch v\u00e0 \u0111\u1eb7c t\u00ednh c\u1ee7a dung d\u1ecbch<\/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":"

Dung d\u1ecbch l\u00e0 m\u1ed9t lo\u1ea1i h\u1ed7n h\u1ee3p \u0111\u1ed3ng nh\u1ea5t v\u00e0 b\u1ea1n ch\u1ec9 c\u00f3 th\u1ec3 pha. Dung d\u1ecbch l\u00e0 h\u1ed7n h\u1ee3p kh\u00f4ng th\u1ec3 thi\u1ebfu trong ch\u01b0\u01a1ng tr\u00ecnh h\u1ecdc v\u00e0 trong \u0111\u1eddi s\u1ed1ng h\u1eb1ng ng\u00e0y. V\u1eady dung d\u1ecbch l\u00e0 g\u00ec? \u0111\u1eb7c t\u00ednh c\u1ee7a dung d\u1ecbch ra sao? 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":4651,"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\/4650"}],"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=4650"}],"version-history":[{"count":0,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kb\/4650\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/media\/4651"}],"wp:attachment":[{"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/media?parent=4650"}],"wp:term":[{"taxonomy":"kbtopic","embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kbtopic?post=4650"},{"taxonomy":"kbtag","embeddable":true,"href":"https:\/\/bacdau.vn\/wp-json\/wp\/v2\/kbtag?post=4650"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}