Ответ:
а) 4P + 5O₂ = 2P₂O₅
P₂O₅ + 3H₂O = 2H₃PO₄
H₃PO₄ + 3NaOH = Na₃PO₄ + 3H₂O
Na₃PO₄ + Al(OH)₃ = 3NaOH + AlPO₄
б) 2Ca + O₂ = 2CaO
CaO + H₂O = Ca(OH)₂
Ca(OH)₂ + 2HNO₃ = Ca(NO₃)₂ + 2H₂O
Ca(NO₃)₂ + H₂CO₃ = CaCO₃ + 2HNO₃
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Ответ:
а) 4P + 5O₂ = 2P₂O₅
P₂O₅ + 3H₂O = 2H₃PO₄
H₃PO₄ + 3NaOH = Na₃PO₄ + 3H₂O
Na₃PO₄ + Al(OH)₃ = 3NaOH + AlPO₄
б) 2Ca + O₂ = 2CaO
CaO + H₂O = Ca(OH)₂
Ca(OH)₂ + 2HNO₃ = Ca(NO₃)₂ + 2H₂O
Ca(NO₃)₂ + H₂CO₃ = CaCO₃ + 2HNO₃