In the manufacture of sodium carbonate, the following reactions are involved:
(A)Δ−→(B)+CO2
(B)+H2O→(C)NH4Cl−−−−→(D)
(E)+CO2→(F)
(F)+NaCl→GHeat−−−→Na2CO3+CO2+H2O
(D) is a gas which is soluble in H2O
(G) is NaHCO3. The other compound formed with (G) is