m(CxHy)=100г
M(CxHy)=1.448*29=42г/моль
m(C)=85,71г
m(H)=100-85,71=14,29
n(C)=85,71/12=7,1425
n(H)=14,29*1=14,29
H:C=2:1
14n=42
n=3
C3H6
