Ответ Автор - absyrdniypoet Сaco3 = CaO + CO2CaO + 2C = CaC2 + COCaC2 + 2H2O = C2H2 + Ca(OH)2Ca(OH)2 + CO2 = CaCO3 + H2OCaCO3 + CO2 + H2O = Ca(HCO3)2