Question

At 25oC a binary system containing components A and B is in a state of liquid-liquid vapor
equilibrium. The mixture is not ideal however Raoult’s and Henry’s laws can be applied. The
compositions of the saturated liquid phases are:

= 0.02,
= 0.98,
= 0.97,
= 0.03
The vapor pressure at 25oC are
0 = 0.2 ,
0 = 0.8
i. What is the mole fraction of A at a three-phase equilibrium?
ii. What is the vapor mole fraction of A in equilibrium with XA =0.99?
iii. What is the dew point pressure if a vapor at 25 oC containing 10 mol % of A and 90
mol % of B initially at 0,1 atm is compressed isothermally until liquid phase is
formed?

Answer 1

Answer:

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