Question

caco3-x-ca(oh)2+x2+CO2+x3+NaHCO3+NaCL

Answer 1

CaCO₃ = CaO + CO₂

CaO + H₂O = Ca(OH)₂

Ca(OH)₂  + CO₂ = CaCO₃ + H₂O

CaCO₃ = CaO + CO₂

CO₂ + H₂O = H₂CO₃

H₂CO₃ + NaOH = NaHCO₃ + H₂O

NaHCO₃ + HCI = NaCI + CO₂ + H₂O