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wwwkazakkz011
@wwwkazakkz011
May 2021
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P →PH3 →P2O5 →H3PO4 →Na3PO4 →Ca(PO4)2
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HоTaRy
2P+3H2----> 2PH3
2 PH3 +4O2----> P2O5 +3H2O
P2O5 +3H2O= 2H3PO4
H3PO4 +3NaOH= Na3 PO4 +3H2O
Na3РО4+3Са (ОН) 2 = Са3(РО4)2 +3NaOH
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Answers & Comments
2 PH3 +4O2----> P2O5 +3H2O
P2O5 +3H2O= 2H3PO4
H3PO4 +3NaOH= Na3 PO4 +3H2O
Na3РО4+3Са (ОН) 2 = Са3(РО4)2 +3NaOH