4P+5O2=2P2O5
P2O5+3H2O=2H3PO4
H3PO4+3KOH=K3PO4+3H2O
2K3PO4+3CaCl2=6KCl+Ca3(PO4)2
Ca3(PO4)2+6HCl=3CaCl2+2H3PO4
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4P+5O2=2P2O5
P2O5+3H2O=2H3PO4
H3PO4+3KOH=K3PO4+3H2O
2K3PO4+3CaCl2=6KCl+Ca3(PO4)2
Ca3(PO4)2+6HCl=3CaCl2+2H3PO4