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230问答网 > 哪一种试剂可以分别K2CO3，BaCl2.K2SO4溶液？

哪一种试剂可以分别K2CO3，BaCl2.K2SO4溶液？

2025-04-04 10:21:47

推荐回答（2个）

回答1：

BaCl2与K2CO3、K2SO4都会发生沉淀，马上可以分出BaCl2，事实上只要区分K2CO3和K2SO4就行了，只要HCL，HCL与K2CO3反应产生CO2气体，K2SO4无反应。（本人化学不太好，这只是建议）

回答2：

硫酸,
加入硫酸:碳酸钾产生气体
氯化钡产生白色沉淀
硫酸钾无明显现象

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