51问答网 > 要除去氯化钙溶液里混有的少量盐酸,应加入? 答案是CaCO3,但Ca(OH)2为什么不行?

要除去氯化钙溶液里混有的少量盐酸,应加入? 答案是CaCO3,但Ca(OH)2为什么不行?

2025-04-02 09:12:42
推荐回答（1个）
回答1：

想除去盐酸一定放入过量的物质.当放入过量的碳酸钙时 2caco3+2Hcl=cacl2+H2o+2co2! 致使盐酸除去. 把剩余的caco3过滤出来 假如放入过量的ca（OH）2.当是多余ca（OH）2部分溶于水形成悬浊液.

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