CaO-->X-->CaH(CO3)2-->CaCl2 СРОЧНО!!!

Question

CaO-->X-->CaH(CO3)2-->CaCl2 СРОЧНО!!!

Comments

+баланс

Answer 1

CaO + CO2 = CaCO3 
CaCO3 + H2O + CO2 = Ca(HCO3)2 
Ca(HCO3)2 + 2HCl = CaCl2 + H2O + 2CO2↑