Составьте уравнение химических реакций:
P→P2O5→X→K3PO4
4P+5O2-->2P2O5
P2O5+3H2O-->2H3PO4
2H3PO4+3K2O-->2K3PO4+3H2O
1)4P+5O2=2P2O5
2)P2O5+3H2O=2H3PO4
3)H3PO4+3KOH=K3PO4+3H2O
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4P+5O2-->2P2O5
P2O5+3H2O-->2H3PO4
2H3PO4+3K2O-->2K3PO4+3H2O
1)4P+5O2=2P2O5
2)P2O5+3H2O=2H3PO4
3)H3PO4+3KOH=K3PO4+3H2O