Solutions Question 116
Question: A solution has a 1 : 4 mole ratio of pentane to hexane. The vapour pressure of the pure hydrocarbons at 20°C are 440 mmHg for pentane and 120 mmHg for hexane. The mole fraction of pentane in the vapour phase would be [CBSE PMT 2005]
Options:
A) 0.549
B) 0.200
C) 0.786
D) 0.478
Show Answer
Answer:
Correct Answer: D
