in alchene %C = 85,71%
in alcool saturat CnH2n+1OH
14n+18 .................... 12n C
100% ..................... a = 1200n/(14n+18) % C
=> (1200n/14n+18)/85,71 = 0,7568
=> 1200n/(14n+18) = 64,865
=> n = 1167,57/291,88 = 4
=> C4H9OH
C-C-C-C-OH
C-C-C(C)-OH
C-C(C)-C-OH
C-C(C2)-OH
completezi cu H