Question

(a) if 200.0 g of glucose is fully converted, what will be the total mass of ethanol and carbon dioxide produced?

Answer 1

Ethanol = 102.29 g

Carbon Dioxide = 97.71 g

Solution:

The Balance Chemical Equation for the fermentation of Glucose is as follow,

C₆H₁₂O₆ → 2 C₂H₅OH + 2 CO₂

Mass of Ethanol produced:

According to equation;

180.156 g (1 mole) C₆H₁₂O₆ produces = 92.14 g (2 moles) of C₂H₅OH

So,

200 g of C₆H₁₂O₆ will produces = X g of C₂H₅OH

Solving for X,

X = (200 g × 92.14 g) ÷ 180.156 g

X = 102.29 g of C₂H₅OH

Mass of Carbon Dioxide produced:

According to equation;

180.156 g (1 mole) C₆H₁₂O₆ produces = 88.02 g (2 moles) of CO₂

So,

200 g of C₆H₁₂O₆ will produces = X g of CO₂

Solving for X,

X = (200 g × 88.02 g) ÷ 180.156 g

X = 97.71 g of CO₂