Solutions Question 307
Question: An aqueous solution is 1.00 molal in KI. Which change will cause the vapour pressure of the solution to increase-
Options:
A) Addition of $ NaCl $
B) Addition of $ Na_2SO_4 $
C) Addition of 1.00 molal KI
D) Addition of water
Show Answer
Answer:
Correct Answer: D
Solution:
When the aqueous solution of one molal KI is diluted with water, concentration de- creases, therefore the vapour pressure of the resulting solution increases.
