In the M thode Champenoise grape juice is fermented in a
In the “Méthode Champenoise,” grape juice is fermented in a wine bottle to produce sparkling wine. The reaction is
C6H12O6(aq) → 2C2H5OH(aq) + 2CO2(g)
Fermentation of 750. mL of grape juice (density = 1.0 g/ cm3) is allowed to take place in a bottle with a total volume of 825 mL until 12% by volume is ethanol (C2H5OH). Assuming that the CO2 is insoluble in H2O (actually a wrong assumption), what would be the pressure of CO2 inside the wine bottle at 25oC? (The density of ethanol is 0.79 g/ cm3.)
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