Question: A feed containing 60 mole % A and 40 mole % B is heated and fed into a flash separator. Component A is the more

A feed containing 60 mole % A and 40 mole % B is heated and fed into a flash separator. Component A is the more volatile component. The vapour and liquid leaving the separator are assumed to be in equilibrium. The equilibrium data is given below. xA is the mole fraction of component A in liquid and yA is the mole fraction of component A in vapour.

Equilbirum compositions

xa	ya
0	0
0.05	0.19
0.2	0.6
0.4	0.8
0.7	0.92
1	1

If 50 mole % of the feed is vaporised, find the composition of the a )Top product b) Bottom product. provide answer in %.

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