30% 3) Calculate the fraction of total 2,3,4,5-tetrachlorophenol (organic acid) that is present in the water...

30% 3) Calculate the fraction of total 2,3,4,5-tetrachlorophenol (organic acid) that is present in the water phase of a dense fog (air-water volume ratio of about 10⁵) at a pH = 2.0 and a temperature of 278 K. Assume a Δ a w H iof 70 kJ/mol for partitioning of this acid between air and water at 298 K. Assume also that the pK_ia is independent of temperature. Data for 2,3,4,5-tetrachlorophenol is available in Ap. C.

Hint: Fog is a suspension of tiny liquid water drops in air. In equilibrium, the acid will be distributed between the two phases. You are asked to calculate the ratio between the acid present in the liquid phase and the total amount of acid present in the two phases.

Expert Solution

Amanda K answered 6 months ago

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