Na2O=》NaOH=》NaHSO4=》Na2SO4

Question

Na2O=》NaOH=》NaHSO4=》Na2SO4

Answer 1

Na₂O + H₂O = 2NaOH
NaOH + H₂SO₄ (изб) = NaHSO₄ + H₂O
NaHSO₄ + NaOH = Na₂SO₄ + H₂O