2Na2CO3 + 2HCl → 4NaCl + H2O + CO24NaCl + MgCl2 → 2Na2MgCl42Na2MgCl4 + 2AgNO3 → 2Mg(NO3)2 + 4NaCl + 2AgCl
2Na2CO3 + 2HCl → 4NaCl + H2O + CO2
4NaCl + MgCl2 → 2Na2MgCl4
2Na2MgCl4 + 2AgNO3 → 2Mg(NO3)2 + 4NaCl + 2AgCl