in 56(Masa molara)g C4H8..... 48g C.......8g H
in 100 g C4H8....x..................y
x=48•100/56=85,71 % C
y=8•100/56=14,28%H
in 76 g C2H4O3.... 24g C.... 4 g H... 48 g O
in 100g C2H4O3....x...............y...............z
x=24•100/76=31,57 %C
y=4•100/76=5,26 %H
z=48•100/76=63,15 %O
