For the system methanol(1) / acetonitrile(2), the Wilson parameters are given on page 474 of your textbook and the Antoine parameters are given below.
Ln[P1*] = 16.5938 - 3644.30 / ( t + 239.76 )
Ln[P2*] = 14.7258 - 3271.24 / ( t + 241.85 )
Where P* is in kPa and t is in oC.
a.) Calculate Pbub, given x1 = 0.73 and T = 70oC
b.) Calculate Tdew, given y1 = 0.63 and P = 101.325 kPa
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