SolutionHard
Question
If relative decrease in vapour pressure is 0.4 for a solution containing 1 mol NaCl in 3 mol H2O, NaCl is .... % ionised.
Options
A.60%
B.50%
C.100%
D.40%
Solution
RLVP = 
0.4 =
so i = 2
∵ i = 1 + α so α = 1 or 100%
0.4 =
so i = 2
∵ i = 1 + α so α = 1 or 100%
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