xmol 33.6L
1) 6CO2+6H2O=C6H12O6+6O2
1mol 134.4L
x=1·33.6/134.4=0.25mol
2) (C6H11O5)n+nH2O=nC6H12O6
C6H12O6=2C2H5OH+2CO2
C2H5OH+3O2=2CO2+3H2O
nCO2+nH2O=(C6H11O5)n
3)
mC3H6O3=54g
54-60%
x-100%
x=54·100/60=90g
xg 90g
C12H22O11+H2O=4C3H6O3
342g 360g
x=342·90/360=85.5g