Na2O --> NaOH --> NaHSO4 --> Na2SO4 помогите

Question

Na2O --> NaOH --> NaHSO4 --> Na2SO4 помогите

Answer 1

Na2O + H2O = 2NaOH

NaOH + H2SO4 = NaHSO4 + H2O

NaHSO4 + NaOH = Na2SO4 + H2O

Answer 2

Na2O+H2O=2NaOH

NaOh(недостаток)+H2SO4==NaHSO4+H2O

NaHSO4+NaOH=Na2SO4+H2O