Ответ:
m(CaC2)=500-15%=500*(1-0.15)=425 грамм
n(CaC2)=425/64=6,64 моль
CaC2 + 2H2O = Ca(OH)2 + C2H2
n(CaC2) = n(C2H2)
V(C2H2)=6.64*22.4=148,73 литров
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Ответ:
m(CaC2)=500-15%=500*(1-0.15)=425 грамм
n(CaC2)=425/64=6,64 моль
CaC2 + 2H2O = Ca(OH)2 + C2H2
n(CaC2) = n(C2H2)
V(C2H2)=6.64*22.4=148,73 литров