Прошу помогите плиииииз
2Na + O₂ = Na₂O₂ Na₂O₂ + 2Na = 2Na₂O Na₂O + H₂O = 2NaOH 2NaOH + H₂SO₄ = Na₂SO₄ + 2H₂O Na₂O + 2HNO₃ = 2NaNO₃+ H₂O 3Na₂O + P₂O₅ = 2Na₃PO₄