Cân bằng trong dung dịch nước

Home Lớp 11 Hoá học Lớp 11 - Sách Kết nối tri thức Bài 2: Cân bằng trong dung dịch nướcBài tập trung bình

{"common":{"save":0,"post_id":"8848","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6561","post_id":"8848","mon_id":"1159892","chapter_id":"1159893","question":"Trong dung d\u1ecbch, ch\u1ea5t \u0111i\u1ec7n li<\/p>","options":["A. G\u1ed9p l\u1ea1i thành các ion","B. Phân li thành các ion","C. Phân li thành các nguyên t\u1eed","D. C\u1ea3 A, B, C"],"correct":"2","level":"2","hint":"","answer":"\u0110áp án \u0111úng: B. Phân li thành các ion<\/strong><\/p>Ch\u1ea5t \u0111i\u1ec7n li<\/strong> là ch\u1ea5t khi tan trong n\u01b0\u1edbc s\u1ebd phân li thành các ion<\/strong> (H\u207a, OH\u207b, Na\u207a, Cl\u207b, v.v.)<\/p>Chính các ion này làm cho dung d\u1ecbch d\u1eabn \u0111i\u1ec7n \u0111\u01b0\u1ee3c<\/strong>.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-04-17 10:33:31","option_type":"txt","len":3},{"id":"6562","post_id":"8848","mon_id":"1159892","chapter_id":"1159893","question":"Dung d\u1ecbch có pH = 7 là<\/p>","options":["A. NH4Cl.","B. CH3COONa.","C. C6H5ONa.","D. KClO4."],"correct":"4","level":"2","hint":"","answer":"\u0110áp án \u0111úng: D. KClO4.<\/strong><\/p>Dung d\u1ecbch có pH = 7<\/strong> là dung d\u1ecbch trung tính<\/strong>, t\u1ee9c là mu\u1ed1i t\u1ea1o b\u1edfi axit m\u1ea1nh và baz\u01a1 m\u1ea1nh<\/strong>.<\/p>","type":"choose","extra_type":"classic","user_id":"139","test":"0","date":"2025-04-17 10:34:16","option_type":"txt","len":1},{"id":"6563","post_id":"8848","mon_id":"1159892","chapter_id":"1159893","question":"Cho 10 ml dung d\u1ecbch X ch\u1ee9a HCl 1M và H2SO4 0,5M. Th\u1ec3 tích dung d\u1ecbch NaOH 1M c\u1ea7n \u0111\u1ec3 trung hòa dung d\u1ecbch X là<\/p>","options":["A. 10 ml.","B. 15 ml.","C. 20 ml.","D. 25 ml."],"correct":"3","level":"2","hint":"","answer":"\u0110áp án \u0111úng: C. 20 ml.<\/strong><\/p><svg height=\"300\" width=\"400\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g><title><\/title><rect fill=\"#fff\" height=\"302\" id=\"canvas_background\" width=\"402\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><image height=\"157\" id=\"svg_1\" stroke=\"null\" width=\"316.00001\" x=\"37.99999\" 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