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溶于水的盐有哪些

更新时间: 2020-10-31 00:00:00     

钾盐、钠盐、铵盐、硝酸盐易溶于水。含硝酸根(NO3-)、钾(K+)、钠(Na+)、铵根(NH4+)的盐都能溶于水。碳酸盐大多不溶。盐是复分解反应的产物,它的水溶性跟组成盐的离子电离能力有关,含有钾钠铵以及硝酸根离子的盐都易溶于水,其他易溶于水的盐都有一定的特殊原因,只要记住几种特殊的不溶于水的盐,其他能接触到的基本都是可溶的。有口诀帮助记忆:钾钠铵硝溶,氯化去银汞。硫酸除钡铅,碳酸多不溶。溶碱有5种,钾钠铵钡钙。

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