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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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