Equations along the chain: P-P2O5-H3PO4-H2O-K3PO4-H3PO4
| September 17, 2021 | education
4 P + 5 O2 = 2 P2O5 (oxide P);
P2O5 + 3 H2O = 2 H3PO4 (phosphate acid);
H3PO4 + 3 KOH = K3PO4 + 3 H2O (phosphate K, water);
2 K3PO4 + 3 H2SO4 = 3 K2SO4 + 2 H3PO4 (K sulfate, phosphate acid).
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