M CO2=44 M H2O=18
22,4l CO2-------------44g CO2
4,48l CO2---------------X X=8,8 gCO2
44g CO2---------12g C
8,8g CO2----------------Y Y=2,4g C
18g H2O-----------2g H
4,5g H2O----------Z Z=0,5gH
2,4+0,5=2,9
3,7-2,9=0,8 reprez O
3,7g subst-----------2,4gC-------0,5gH-------------0,8gO
100-------------------m----------------n--------------------p
m=64,86% C n=13,51%H p=21,62%O
C 64,86/12=5,4
H 13,51/1=13,51
O 21,62/16=1,35
C 5,4/1,35=4
H 13,51/1,35=10
O 1,35/1,35=1 ⇒FB (C4 H 10 O)n
d aer=M/28,9⇒M=28,9×2,561=74
din FB 48n+10n+16n=74 n=1⇒FM C4 H10 O
struct CH3-CH2-CH2CH2-OH butanol
CH3-CH2-O-CH2-CH3 dietileter
CH3-CH2-CH2-O-CH3 metil propil eter
sper ca e bine
