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明矾是显酸性还是碱性
更新时间: 2020-09-25 00:00:00  

明矾又称白矾、钾矾、钾铝矾、钾明矾、十二水硫酸铝钾,化学式是十二水合硫酸铝钾。是含有结晶水的硫酸钾和硫酸铝的复盐。

明矾溶于水后电离产生了3价铝离子,3价铝离子与水电离产生的氢氧根结合生成了氢氧化铝,和氢离子。

所以,明矾显酸性。

关键词: 明矾 酸性 还是 碱性

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