W(c)=82,76%
w(H)=17,24%
D(H)=1,375
M(CxHy)=D*M(H)=1,375*1г/моль= 1,375г/моль
m(C)=w(C)*M(CxHy)=0.8276*1,375=1,14г
m(H)=w(H)*M(CxHy)= 0,1724*1.375=0,24г
Кол-во вещ-ва(C)= m/M(C)= 1,14/12=0,09моль
Кол-во вещ-ва(H)= m/M(H)= 0,24/1=0,24моль
C:H= 3:8
C3H8