[franky30]

A liquid feed to a distillation tower at 405.3 kPa abs is fed to a distillation tower. The composition in mole fractions is as follows: n-butane (xA=0.40), n-pentane (xB=0.25),    n-hexane (xC=0.20) and n-heptane (xD=0.15).

a) Calculate the boiling point and the vapor in equilibrium with the liquid.
b) Calculate the dew point and composition of the liquid in equilibrium.

*Hint= 1) Assume 650C as first temperature to calculate boiling point
   2) Assume 1060C as first temperature to calculate dew point
   3) Use component C as base component.

please help me 

[Borek]

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