Solutions Question 225
Question: An $ X $ molal solution of a compound in benzene has mole fraction of solute equal to 0.2. The value of $ X $ is [KCET 1996; DCE 2001]
Options:
A) 14
B) 3.2
C) 4
D) 2
Show Answer
Answer:
Correct Answer: B
Solution:
$ \frac{X}{X+\frac{1000}{78}}=0.2 $
$ X=3.2$