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二价铁离子在水中会水解吗
更新时间: 2020-07-15 00:00:00  

二价铁离子和三价铁离子在水中都会发生水解,与氢氧根离子结合形成沉淀。常用的二氯化铁和硫酸铁溶液等化学试剂中无法看到沉淀,是由于溶液中都添加了过量的酸,如二氯化铁和三氯化铁溶液中有过量稀盐酸,溶液呈酸性,抑制了水解,因此无沉淀。

关键词: 离子 水中 水解

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