Na2O + H2O -> 2NaOHNa2O + 2HCl -> 2NaCl + H2ONa2O + 2NaOH -> 2Na2O2 + H2O
SO3 + H2O -> H2SO4SO3 + 2NaOH -> Na2SO4 + H2OSO3 + H2SO4 -> H2S2O7
Na2O + H2O -> 2NaOH
Na2O + 2HCl -> 2NaCl + H2O
Na2O + 2NaOH -> 2Na2O2 + H2O
SO3 + H2O -> H2SO4
SO3 + 2NaOH -> Na2SO4 + H2O
SO3 + H2SO4 -> H2S2O7