1) P2O5 - H3PO4 - CaHPO4 - Ca(H2PO4)2 - Ca3(PO4)2
2) CaCL2 - CaCO3 - Ca(HCO3)2 - CaCO3 - CaSIO3
1)P4H10+6H2O-->4H3PO4
H3PO4+Ca(OH)2-->CaHPO4+2H2O
2)CaCO3+CO2+H2O-->Ca(HCO3)2
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Answers & Comments
1)P4H10+6H2O-->4H3PO4
H3PO4+Ca(OH)2-->CaHPO4+2H2O
2)CaCO3+CO2+H2O-->Ca(HCO3)2