Twenty-one grams of cyclohexane with a molar mass of 84 g/mol and twenty-five grams of ethanol with a molar mass of 92 g/mol are both volatile components present in a solution. What is the partial pressure of ethanol in pound force per square inch if the vapor pressures of pure cyclohexane and pure ethanol are 80.5 Torr and 52.3 Torr, respectively?

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