Ответ:
№1
Ca+2 C → CaC2
CaC2+2 H2O → Ca(OH)2+C2H2
Ca(OH)2 + Na2Co3 → СaCO3+2 NaOH
CaCO3 → CaO+CO2
CO2 +2 Mg → 2 MgO+C
№2
NaOH+CO2 → NaHCO3
2 NaHCO3 → Na2CO3+CO2+H2O
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Verified answer
Ответ:
№1
Ca+2 C → CaC2
CaC2+2 H2O → Ca(OH)2+C2H2
Ca(OH)2 + Na2Co3 → СaCO3+2 NaOH
CaCO3 → CaO+CO2
CO2 +2 Mg → 2 MgO+C
№2
CaCO3 → CaO+CO2
NaOH+CO2 → NaHCO3
2 NaHCO3 → Na2CO3+CO2+H2O