2P+3Mg-->Mg3P2
Mg3P2+6HCl--->2PH3+3MgCl
PH3+2O2--->H3PO4
H3PO4+3NaOH--->Na3PO4+3H2O
2Na3PO4+3CaCl2--->Ca3(PO4)2+6NaCl
2P+3Mg-->Mg3P2
Mg3P2+6HCl--->2PH3+3MgCl
PH3+2O2--->H3PO4
H3PO4+3NaOH--->Na3PO4+3H2O
2Na3PO4+3CaCl2--->Ca3(PO4)2+6NaCl