Question

A 0.750 g sample of solid benzoic acid, C7H6O2, was placed in a 0.500 L pressurized reaction vessel filled with O2at10.0 atm pressure and 25°C. To the extent of the availability of oxygen, the benzoic acid was burned completely to water and CO2. What was the final mole fraction of CO2and H2O vapour in the resulting gas mixture brought to the initial temperature? The vapor pressure of water at 25°C is 23.8 torr. Neglect both the volume occupied by nongaseous substances and the solubility of CO2in H2O

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