P → P2O5 → H3PO4 → Ca3(PO4)2 → H3PO4 → Ca(H2PO4)2

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P → P2O5 → H3PO4 → Ca3(PO4)2 → H3PO4 → Ca(H2PO4)2

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Accepted Answer

8) Phosphorus reacts with oxygen to form phosphorus pentoxide. Phosphorus pentoxide reacts with water to form phosphoric acid. Phosphoric acid reacts with calcium hydroxide to form calcium phosphate and water. Calcium phosphate reacts with phosphoric acid to form calcium dihydrogen phosphate.

P → P2O5 → H3PO4 → Ca3(PO4)2 → H3PO4 → Ca(H2PO4)2

Ответ:

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