Verified answer

Ответ:

Объяснение:

Na₂CO₃ + 2HCl = 2NaCl + CO₂ + H₂O

CO₂ + Ca(OH)₂ = CaCO₃ + H₂O

CaCO₃ + 2HCl = CaCl₂ + CO₂ + H₂O

3CaCl₂ + 2Na₃PO₄ = Ca₃(PO₄)₂ + 6NaCl

Ca₃(PO₄)₂ + H₃PO₄ = 3CaHPO₄

Na₂CO₃ + H₂CO3 = 2NaHCO₃

NaHCO₃ + NaOH = Na₂CO₃  + H₂O

2NaHCO₃ = (t)= Na₂CO₃ + CO₂ + H₂O