reactive: CH3-CH2-OH -> CH2=CH2 + H2O
d=ms/Vs => ms=d*Vs=0,8*100=80g solutie etanol 96%
md=c*ms/100=96*80/100=76,8g etanol
46g..........................22,4l.........18g
CH3-CH2-OH -> CH2=CH2 + H2O
76,8g.......................x=?...........y=?
x=76,8*22,4/46=37,39l etena
y=76,8*18/46=30,05g apa
rand=30*100/37,39=80,21%