The table below lists the vapour pressures of mixtures of iodoethane (I) and ethyl

Chapter 5, Problem 5.8

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The table below lists the vapour pressures of mixtures of iodoethane (I) and ethyl acetate (A) at 50C. Find the activity coefficients of both components on (a) the Raoults law basis, (b) the Henrys law basis with iodoethane as solute. xI 0 0.0579 0.1095 0.1918 0.2353 0.3718 pI/kPa 0 3.73 7.03 11.7 14.05 20.72 pA/kPa 37.38 35.48 33.64 30.85 29.44 25.05 xI 0.5478 0.6349 0.8253 0.9093 1.0000 pI/kPa 28.44 31.88 39.58 43.00 47.12 pA/kPa 19.23 16.39 8.88 5.09 0

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