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HCO3的水解强还是电离强
更新时间: 2020-10-02 00:00:00  

碳酸氢根的水解能力比电离能力强。碳酸氢根显碱性,所以知水解程度大。

碳酸氢根的电离方程为,碳酸氢根电离生成氢离子和碳酸根。水解方程为碳酸氢根加水生成碳酸和氢氧根。

如果水解程度大,则氢氧根就比氢离子多,溶液呈碱性,如果电离程度大,则氢离子就比氢氧根多,溶液呈酸性。而对于碳酸氢根来说,水解程度是大,所以呈碱性,比较电离与水解的程度的大小,首先要是能够水解的盐才能比较。

关键词: hco3 水解 还是 电离

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