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A) Calculate the vapour pressure of a 5% by mass benzoic acid [C7H6O2(aq)] in ethanol solution...

A) Calculate the vapour pressure of a 5% by mass benzoic acid [C7H6O2(aq)] in ethanol solution at 35oC. The vapour pressure of pure ethanol at this temperature is 13.40 kPa. Present your answer in kPa.

B) The half-life of the zero order reaction A → B is 0.56 minutes. If the initial concentration of A is 3.4 M, what is the rate constant?

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