Solutions Question 45
Question: A solution containing 30 gms of non-volatile solute in exactly 90 gm water has a vapour pressure of 21.85 mm Hg at . Further 18 gms of water is then added to the solution. The resulting solution has a vapour pressure of 22.15 mm Hg at . Calculate the molecular weight of the solute [UPSEAT 2001]
Options:
A) 74.2
B) 75.6
C) 67.83
D) 78.7
Show Answer
Answer:
Correct Answer: C
Solution:
We have,