Question: 3. The data below was reported for the activity of cyclohexane (ac = xc Yc) in polyisobutylene (MW = 40,000) and 25 C as

3. The data below was reported for the activity of cyclohexane (ac = xc Yc) in polyisobutylene (MW = 40,000) and 25 C as a function of the mass ratio of cyclohexane to polyisobutylene, mc/mPIB. Computer the equilibrium partial pressure of cyclohexane over cyclohexane-polyisobutylene mixtures. Assume the Flory x parameter is 0.475. mcmPIB 1.318 ac = xc Yc 0.9598 0.434 0.7836 0.307 0.6937 0.147 0.4625

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