2Mg + O2 = 2MgO
MgO + H2O = Mg(OH) 2
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
S + O2 = SO2
SO2 + H2O = H2SO3
H2SO3 + K2O = K2SO3 + H2O
2Mg + O2 = 2MgO
MgO + H2O = Mg(OH) 2
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
S + O2 = SO2
SO2 + H2O = H2SO3
H2SO3 + K2O = K2SO3 + H2O