3Ca + 2P = Ca3P2
Ca3P2 + 3H2 = 3Ca + 2PH3
2PH3 + 4O2 = P2O5 + 3H2O
3K2O + P2O5 = 2K3PO4
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3Ca + 2P = Ca3P2
Ca3P2 + 3H2 = 3Ca + 2PH3
2PH3 + 4O2 = P2O5 + 3H2O
3K2O + P2O5 = 2K3PO4