CaC2+2H2O=Ca(OH)2+C2H2 C2H2+H2O=CH3COH CH3COH+Ag2O=2Ag+CH3COOH CH3COOH+Cl2=CH2ClCOOH+HCl CH2ClCOOH+NH3=CH2(NH2)COOH+HCl n(CH2(NH2)COOH)=n(CaC2)=2 моль m(CaC2)=n*M=2моль*75г/моль=150г