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The Chemical ArchiveMNNIT Allahabad · Chemical Engg.

Chemical Process Principles

Question 5

2022Mid SemesterMidsem 1medium5 marks

A liquid mixture containing 65 mol % benzene and 35 mol % toluene is subjected to flash vaporization at 363 K and 101.3 kPa. The vapour pressure of benzene at this temperature is 136.09 kPa and the vapour pressure of toluene is 54.21 kPa. Flash vaporization is essentially an equilibrium stage operation. Calculate the mole percent of the feed that is vaporized.

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