82问答网 > Na2CO3溶液中存在OH离子的原因是什么

Na2CO3溶液中存在OH离子的原因是什么

2025-03-15 06:13:46
推荐回答（1个）
回答1：

因为Na2CO3是强碱弱酸盐，在水溶液中碳酸根要发生水解。水解方程式如下：CO3 2- + H2O=HCO3- + OH- HCO3- +H2O=H2CO3 + OH-所以生成OH-，也因水解出游离的氢氧根离子，所以碳酸钠显碱性。

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