Question: In the system ethanol (1) + water (2), the activity coefficients of both substances 1 = 1.296 and 2 = 1.380 were found at a

In the system ethanol (1) + water (2), the activity coefficients of both substances 1 = 1.296 and 2 = 1.380 were found at a temperature of 70 C, pressure of 66.3 kPa and a composition of x1 = 0.4. Based on this data, calculate the excess and mixing Gibbs energy.

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