{"id":15147,"date":"2021-11-27T17:30:54","date_gmt":"2021-11-27T10:30:54","guid":{"rendered":"https:\/\/www.vietlearn.org\/post\/?p=15147"},"modified":"2021-11-27T17:30:55","modified_gmt":"2021-11-27T10:30:55","slug":"nuoc-bien-hoa-tan-nhung-vat-chat-nao","status":"publish","type":"post","link":"https:\/\/www.vietlearn.org\/kien-thuc\/nuoc-bien-hoa-tan-nhung-vat-chat-nao\/","title":{"rendered":"N\u01b0\u1edbc bi\u1ec3n h\u00f2a tan nh\u1eefng v\u1eadt ch\u1ea5t n\u00e0o?"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 7 &#8211; Arkady Leokum<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Theo ph\u00e2n t\u00edch h\u00f3a nghi\u1ec7m c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc: \u201cch\u1ee7ng lo\u1ea1i\u201d ch\u1ea5t h\u00f2a tan c\u00f3 t\u1edbi h\u01a1n 80 lo\u1ea1i, nh\u01b0ng ch\u1ee7 y\u1ebfu c\u00f3 n\u0103m lo\u1ea1i: Clor (Cl), Natri (Na), Manh\u00ea (Mg), L\u01b0u hu\u1ef3nh (S), Calci (Ca).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ed5ng tr\u1ecdng l\u01b0\u1ee3ng ch\u1ea5t h\u00f2a tan trong n\u01b0\u1edbc bi\u1ec3n tr\u00ean th\u1ebf gi\u1edbi t\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh, h\u00e0m l\u01b0\u1ee3ng \u0111\u00f3 nh\u01b0 sau: c\u1ee9 1000 gram n\u01b0\u1edbc bi\u1ec3n c\u00f3 35g t\u1ed5ng tr\u1ecdng l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t h\u00f2a tan. T\u1ed5ng tr\u1ecdng l\u01b0\u1ee3ng n\u0103m lo\u1ea1i ch\u1ea5t k\u1ec3 tr\u00ean l\u00e0 34,5g, chi\u1ebfm 98,6% t\u1ed5ng tr\u1ecdng l\u01b0\u1ee3ng c\u00e1c ch\u1ea5t h\u00f2a tan, nh\u01b0 th\u1ebf \u0111\u1ee7 n\u00f3i l\u00ean r\u1eb1ng: n\u0103m lo\u1ea1i ch\u1ea5t h\u00f2a tan l\u00e0 th\u00e0nh ph\u1ea7n ch\u1ee7 y\u1ebfu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u00e2n b\u1ed5 tr\u1ecdng l\u01b0\u1ee3ng ch\u1ea5t h\u00f2a tan kh\u00f4ng gi\u1ed1ng nhau, ph\u1ea7n trung t\u00e2m bi\u1ec3n t\u01b0\u01a1ng \u0111\u1ed1i \u1ed5n \u0111\u1ecbnh, v\u00e0o kho\u1ea3ng 35g; v\u00f9ng bi\u1ec3n ven b\u1edd th\u00ec t\u1ed5ng tr\u1ecdng l\u01b0\u1ee3ng ch\u1ea5t b\u1ecb h\u00f2a tan thay \u0111\u1ed5i r\u1ea5t l\u1edbn, nh\u1ecf nh\u1ea5t l\u00e0 5g, l\u1edbn nh\u1ea5t l\u00e0 42g. Do v\u0129 \u0111\u1ed9 \u1edf bi\u1ec3n kh\u00e1c nhau, l\u01b0\u1ee3ng b\u1ed1c h\u01a1i v\u00e0 l\u01b0\u1ee3ng n\u01b0\u1edbc gi\u1ea3m \u0111i c\u0169ng kh\u00e1c nhau, l\u00e0m cho tr\u1ecdng l\u01b0\u1ee3ng ch\u1ea5t b\u1ecb h\u00f2a tan c\u0169ng b\u1ecb thay \u0111\u1ed5i theo v\u0129 \u0111\u1ed9.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>T\u1eeb kh\u00f3a t\u00ecm ki\u1ebfm: H\u00e3y Tr\u1ea3 L\u1eddi Em T\u1ea1i Sao? \u2013 T\u1eadp 7 &#8211; Arkady Leokum Theo ph\u00e2n t\u00edch h\u00f3a nghi\u1ec7m c\u1ee7a c\u00e1c nh\u00e0 khoa h\u1ecdc: \u201cch\u1ee7ng lo\u1ea1i\u201d ch\u1ea5t h\u00f2a tan c\u00f3 t\u1edbi h\u01a1n 80 lo\u1ea1i, nh\u01b0ng ch\u1ee7 y\u1ebfu c\u00f3 n\u0103m lo\u1ea1i: Clor (Cl), Natri (Na), Manh\u00ea (Mg), L\u01b0u hu\u1ef3nh (S), Calci (Ca). T\u1ed5ng tr\u1ecdng [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[15],"tags":[],"class_list":["post-15147","post","type-post","status-publish","format-standard","hentry","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15147","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=15147"}],"version-history":[{"count":1,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15147\/revisions"}],"predecessor-version":[{"id":15148,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/15147\/revisions\/15148"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=15147"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=15147"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=15147"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}