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从电离和水解程度判断溶液酸碱性

Author(s)：
田方洋聂丹

Publication Title：

Wen Yuan (Middle School Edition) 2020 No.07

Affiliations：
湖北省公安县第一中学 434300

Abstract：
判断酸式盐溶液的酸碱性,以及弱酸(碱)与对应盐混合的酸碱性,是高考化学的重要考点,也是学生学习中的一个难点.从弱酸电离平衡常数Ka(或者弱碱Kb)与对应盐的水解平衡常数Kh的大小比较,可以判断溶液的酸碱性.对于常见物质,我们也可以依据对电离和水解程度相对大小的认识,快捷做出判断.

Keywords：
电离程度%水解程度%平衡常数%离子浓度大小%酸碱性

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[1] 田方洋,聂丹.从电离和水解程度判断溶液酸碱性[J].Wen Yuan (Middle School Edition),2020(07),.

文渊(中学版)

Wen Yuan (Middle School Edition)

Language: 中文

CN：11-9275/G

ISSN：2096-627X

Publication Frequency: 月刊

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