Write the reaction equations: phosphorus-phosphorus (V) oxide-phosphoric acid-potassium
| March 9, 2021 | education
Write the reaction equations: phosphorus-phosphorus (V) oxide-phosphoric acid-potassium phosphate-calcium phosphate-phosphoric acid
1.2P2 + 5O2 = 2P2O5 (phosphorus oxide V);
2. P2O5 + 3H2O = 2H3PO4 (phosphoric acid);
3.2H3PO4 + 6K = 2K3PO4 (potassium phosphate) + 3H2 (hydrogen);
4.2K3PO4 + 3CaCl2 = 6KCl (potassium chloride) + Ca3 (PO4) 2 (calcium phosphate);
5.Ca3 (PO4) 2 + 3H2SO4 = 3CaSO4 (calcium sulfate) + 2H3PO4 (phosphoric acid)
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