天气预报 > 财经 > 碳酸钾是沉淀吗
碳酸钾是沉淀吗
更新时间: 2021-02-28 04:35:35  

1、碳酸钾不是沉淀。

2、碳酸钾,白色结晶粉末。密度2.428g/cm3。熔点891℃,沸点时分解,相对分子量138.21。溶于水,水溶液呈碱性,不溶于乙醇、丙酮和乙醚。吸湿性强,暴露在空气中能吸收二氧化碳和水分,转变为碳酸氢钾,应密封包装。水合物有一水物、二水物、三水物。碳酸钾水溶液呈碱性。不溶于乙醇及醚。

关键词: 碳酸 沉淀

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