Question

某气态烃的分子式为cxh6该烷烃完全燃烧后生成co2的体积是相同状况下该烃体积2倍则x值为

Answer 1

x=2

CxH6 + (x+3/2) O2 = xCO2 + 3H2O

n(CO2) :n(CxH6) = V(CO2) :V(CxH6) =2:1

x=2