Закончить химическую реакцию Na +02 = HCL + Na = Cao +H3PO4
2Na + O₂ = Na₂O₂ (80%) 4Na + O₂ = 2Na₂O (20%) 2HCl + 2Na = 2NaCl + H₂ CaO + 2H₃PO₄ = Ca(H₂PO₄)₂ + H₂O CaO + H₃PO₄ = CaHPO₄ + H₂O 3CaO + 2H₃PO₄ = Ca₃(PO₄)₂ + 3H₂O