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At 300K, the vapor pressure of pure liquid A and liquid B are 37.33 kPa and...

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Chemistry

At 300K, the vapor pressure of pure liquid A and liquid B are37.33 kPa and 22.66 kPa respectively. If we mix 2 mol liquid A with2 mol liquid B, the total vapor pressure above the solution is50.66 kPa and the molar fraction of vapor A is 0.60. Assume thevapor is an ideal gas. Calculate (a) the activity of A and B in thesolution (b) the Gibbs energy change of mixing ΔmixG (c) If thesolution is an ideal solution, what’s the number of ΔmixGid?

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4.2 Ratings (916 Votes)
a the activity of a substance is given as a x r where a is activity and x is its mole fraction and r is the activity coeficient as the vapor is ideal r is approximately uynity and    See Answer
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