Question

5. The formation of glucose (C6H12O6) in the presence of the yeast Saccharomyces cerevisiae produces ethanol (C2H5OH) and propenoic acid (C2H3CO2H) by the following overall reactions: C6H12O6 \rightarrow 2 C2H5OH + 2CO2 (1) C6H12O6 \rightarrow 2 C2H3CO2H + 2 H2O (2) 4000 kg of a 12% solution of glucose in water is fed to the reactor. After fermentation, 120 kg of CO2 are produced and 90 kg of unreacted glucose remains in the broth. What are the weight (mass) percents of ethanol and propenoic acid in the broth at the end of the fermentation process? Assume that none of the glucose is assimilated into the bacteria.

          5. The formation of glucose (C6H12O6) in the presence of the yeast Saccharomyces cerevisiae
produces ethanol (C2H5OH) and propenoic acid (C2H3CO2H) by the following overall
reactions:
C6H12O6 \rightarrow 2 C2H5OH + 2CO2

(1)
C6H12O6 \rightarrow 2 C2H3CO2H + 2 H2O

(2)
4000 kg of a 12% solution of glucose in water is fed to the reactor. After fermentation, 120 kg of
CO2 are produced and 90 kg of unreacted glucose remains in the broth. What are the weight (mass)
percents of ethanol and propenoic acid in the broth at the end of the fermentation process? Assume
that none of the glucose is assimilated into the bacteria.

5. The formation of glucose (C6H12O6) in the presence of the yeast Saccharomyces cerevisiae
produces ethanol (C2H5OH) and propenoic acid (C2H3CO2H) by the following overall
reactions:
C6H12O6 →2 C2H5OH + 2CO2

(1)
C6H12O6 →2 C2H3CO2H + 2 H2O

(2)
4000 kg of a 12% solution of glucose in water is fed to the reactor. After fermentation, 120 kg of
CO2 are produced and 90 kg of unreacted glucose remains in the broth. What are the weight (mass)
percents of ethanol and propenoic acid in the broth at the end of the fermentation process? Assume
that none of the glucose is assimilated into the bacteria.

Added by Martin P.

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