摘要:(1)NH4HCO3,CaC2(2)CaC2+2H2OCa(OH)2+C2H2↑, NH4HCO3+Ca(OH)2=CaCO3↓ +NH3↑ + 2H2O (3)2NH3+CO2+H2O+Ca2+=CaCO3+2NH4+

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