Na3PO4+3AgNO3-->Ag3PO4+3NaNO3
3Na⁺+PO³⁻4+3Ag⁺+3NO⁻₃-->Ag3PO4+3Na⁺+3NO⁻3
PO³⁻4+3Ag⁺-->Ag3PO4
K2CO3+2HCL-->2KCL+H2O+CO2
2K⁺+CO⁻²₃+2H⁺+2CL⁻-->2K⁺+2CL⁻+H2O+CO2
CO⁻²₃+2H⁺-->H2O+CO2
2NaOH+H2SO4->Na2SO4+H2O
2Na⁺+2OH⁻+2H⁺+SO4⁻²₄-->2Na⁺+SO⁻²4+H2O
2OH⁻+2H⁺-->H2O