51问答网 > 磷酸,偏磷酸,过磷酸的化学式 这三个有什么区别?化学式都是什么?

磷酸,偏磷酸,过磷酸的化学式 这三个有什么区别?化学式都是什么?

2025-03-14 21:32:59
推荐回答（1个）
回答1：

磷酸：H3PO4；
偏磷酸：HPO3；
过磷酸是在正磷酸(H3PO4)和焦磷酸(H4P2O7)之间存在一种低共熔物,共组成为含75.4%P2O5,相当于105%H3PO4,工业上称为过磷酸.

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