CnH2n+2 +(2n/2+1/2)O2 -----> nCO2 + (n+1)H2O
M,CO2= 44g/mol
M,H2O= 18g/mol
(nx44)/(n+1)x18=1,9555--->n=4--->butan
1mol 1mol 1mol
CH3-CH2-CH2-CH3----.> CH4 + CH2=CH-CH3
3mol 3mol 3mol
butan ----> H2 + CH2=CH-CH2-CH3
0,5mol 0,5mol
butan -----> netransformat
total moli butan: 4,5
eta= 3x100/4,5=..........................
%=4x100/4,5=.........................