Write the reaction equation: P2O5 – H3PO4 – CaHPO4 – Ca (H2PO4) 2 – Ca3 (PO4) 2

univerkov | August 30, 2021 | education

1) P2O5 + 3 H2O = 2 H3PO4 (phosphoric acid).

2) H3PO4 + Ca (OH) 2 = CaHPO4 + 2 H2O (calcium hydrogen phosphate).

3) CaHPO4 + H3PO4 = Ca (H2PO4) 2 (calcium dihydrogen phosphate).

4) Ca (H2PO4) 2 + 2 Ca (OH) 2 = Ca3 (PO4) 2 + 4 H2O (calcium phosphate).

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