5.6L气体烃物质的量=5.6/22.4=0.25mol
16.8LCO2物质的量=16.8/22.4=0.75mol
13.5gH2O物质的量=13.5/18=0.75mol
设气态烃的化学式为CxHy
CxHy+(x+y/4)O2=xCO2+y/2H2O
1——————————x——y/2
0.25mol———————0.75mol—0.75mol
x=3,y=6
气态烃化学式C3H6
5.6L气体烃物质的量=5.6/22.4=0.25mol
16.8LCO2物质的量=16.8/22.4=0.75mol
13.5gH2O物质的量=13.5/18=0.75mol
设气态烃的化学式为CxHy
CxHy+(x+y/4)O2=xCO2+y/2H2O
1——————————x——y/2
0.25mol———————0.75mol—0.75mol
x=3,y=6
气态烃化学式C3H6