C8H16
w(C) = (8*12) / (8*12 + 16*1)= 96 / 112 = 0.857 или 85,7%
w(H) = 16 / 112 = 0.143 или 14.3%
С3Н4
w(C) = 3*12 / (3*12 + 4) = 36/40 = 0.9 или 90%
w(H) = 1 - 0.9 = 0.1, или 10%
w(C) = 0.89
w(H) = 0.11
p(H2) = 27
C = 0.89 *54/12 = 4
H = 0.11 * 54/ 1= 6
C4H6