A solution has a 1:4 mole ratio of pentane to hexane. The vapour pressure of the pure…
Chemistry · NEET · NTA Exams — Solutions
A solution has a 1:4 mole ratio of pentane to hexane. The vapour pressure of the pure hydrocarbons at 20°C are 440 mm of Hg for pentane and 120 mm of Hg for hexane. The mole fraction of pentane in the vapour phase would be:
- 0.549
- 0.200
- 0.786
- 0.478
Answer
(A) 0.549
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