Химия решите P->K3P->PH3->P2O5->H3PO4

Question

Химия решите P->K3P->PH3->P2O5->H3PO4

Answer 1

1.P+3K=K3P
2.K3P+3HCl=PH3+3KCl
3.2PH3+4O2=P2O5+3H2O
4.P2O5+3H2O=2H3PO4

Answer 2

1) P+3K=(t=700)K3P
2) K3P+3H2O=PH3↑+3KOH
3) 2PH3+4O2=P2O5+3H2O
4) P2O5+3H2O=2H3PO4