C+2H2=CH4
n(H2)=(10г)/(2г/моль)=5моль
n(C)=n(H2)/2=2,5моль
m(C)=n(C)*M(C)=30г
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C+2H2=CH4
n(H2)=(10г)/(2г/моль)=5моль
n(C)=n(H2)/2=2,5моль
m(C)=n(C)*M(C)=30г