1 dm3 roztworu glukozy o stęzeniu molowym Cm+0,5 mol/dm3 uległ fermentacji alkoholowej z wydajnością 80%.Ile wynosi masa powastałego etanolu
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Cm=n/V
n= 0,5*1
n=0,5 mola C6H12O6
C6H12O6 -----drożdże-----> 2C2H5OH + 2CO2
1 mol C6H12O6 --------- 92g C2H5OH
0,5 mola C6H12O6------ X
X= 46g C2H5OH
46g C2H5OH ------- 100%
X --------------------- 80%
X= 36,8g C2H5OH
C6H12O6-----drożdże---->2C2H5OH + 2CO2
M C6H12O6 = 180g/mol
MC2H5OH = 46g/mol
180g C6H12O6------1mol
xg C6H12O6--------0,5mola
x = 90g C6H12O6
180g C6H12O6--------92g C2H5OH
90g C6H12O6----------xg C2H5OH
x = 46g C2H5OH
46g C2H5OH-----100%
xg C2H5OH-------80%
x = 36,8g C2H5OH