Răspuns:
CH2=CH-CH2OH
C3H6O
M= 36gC +6gH +16gO=> 58g/mol
58g alcool......36gC....6gH....16gO
100g...................x...............y...........z
x= 100x36/58=.......calculeaza
y=100x6/58=..........calculeaza
z=100x16/58= .......calculeaza
Explicație: