Ca → CaO → Ca(OH)2 → H2O → H2CO3 → BaCO3 → CO2 Помогите пожалуйста
2Ca + O₂ = 2CaO CaO + H₂O = Ca(OH)₂ Ca(OH)₂ + 2HCl = CaCl₂ + 2H₂O H₂O + CO₂ = H₂CO₃ H₂CO₃ + BaCl₂ = BaCO₃ + 2HCl BaCO₃ = BaO + CO₂ (t)