Question

Решите пожалуйста номер 5

Answer 1

Ca + H₂ = CaH₂

Ca + 2H₂O = Ca(OH)₂ + H₂

2Ca + O₂ = 2CaO

CaO + H₂O = Ca(OH)₂

Ca(OH)₂ + CO₂ + CaCO₃ + H₂O

CaCO₃ + 2HCI = CaCI₂ + CO₂ + H₂O

CaCO₃ = CaO + CO₂

CaO +2HCI = CaCI₂ + H₂O

3CaCI₂ + 2H₃PO₄ = Ca₃(PO₄)₂ + 6HCI