2NaOH + SO3 → Na2SO4+H2O
2Cu(OH)2 + CO2 → Cu2CO3(OH)+H2O
SO3 + H2O → H2SO4
Al2O3 + 6HCl → 2AlCl3+3H2O
Na2O + H2O → 2NaOH
2NaOH + SO3 → Na2SO4+H2O
2Cu(OH)2 + CO2 → Cu2CO3(OH)+H2O
SO3 + H2O → H2SO4
Al2O3 + 6HCl → 2AlCl3+3H2O
Na2O + H2O → 2NaOH