a)
2HCL+MgCO3-->MgCL2+H2O+CO2
2H⁺+2CL⁻+MgCO3-->Mg⁺²+2CL⁻+CO2+H2O
2H⁺+MgCO3-->Mg⁺²+CO2+H2O
b)
NH4CL+NaOH-->NH4OH+NaCL
NH₄⁺+CL⁻+Na⁺+OH⁻-->NH4OH+Na⁺+CL⁻
NH₄⁺+OH⁻-->NH4OH
c)
3CaCL2+2H3PO4-->Ca3(PO4)2+6HCL
3Ca⁺²+6CL⁻₃+6H⁺+2PO⁻²₄-->Ca₃(PO4)2+6H⁺+6CL⁻
3Ca⁺²+2PO⁻²₄--->Ca₃(PO₄)₂
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Answers & Comments
a)
2HCL+MgCO3-->MgCL2+H2O+CO2
2H⁺+2CL⁻+MgCO3-->Mg⁺²+2CL⁻+CO2+H2O
2H⁺+MgCO3-->Mg⁺²+CO2+H2O
b)
NH4CL+NaOH-->NH4OH+NaCL
NH₄⁺+CL⁻+Na⁺+OH⁻-->NH4OH+Na⁺+CL⁻
NH₄⁺+OH⁻-->NH4OH
c)
3CaCL2+2H3PO4-->Ca3(PO4)2+6HCL
3Ca⁺²+6CL⁻₃+6H⁺+2PO⁻²₄-->Ca₃(PO4)2+6H⁺+6CL⁻
3Ca⁺²+2PO⁻²₄--->Ca₃(PO₄)₂