1CxHy+O2=1CO2+2H2OM(CxHy)=Д(Н2)*M(H2)=8*2=16n(CxHy)=m/M=1.6/16=0.1n(CO2)=4.4/44=0.1n(H2O)=3.6/18=0.2ответ:СН4