Question: For the binary system n-pentanol(1) + n-hexane(2), the Wilson equation constants are A12 = 1718 cal/mol, A21 = 166.6 cal/mol . Assuming the vapor phase

For the binary system n-pentanol(1) + n-hexane(2), the Wilson equation constants are A12 = 1718 cal/mol, A21 = 166.6 cal/mol . Assuming the vapor phase to be an ideal gas, determine the composition of the vapor in equilibrium with a liquid containing 20 mole% n-pentanol at 30C. Also calculate the equilibrium pressure. Pa = 3.23 mmHg; P = 187.1 mmHg.

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