Question

which sample, when dissolved in 1.0 liter of water, produces a solution with the highest boiling point?

Answer 1

After a thorough research, the same question exists with the following choices.

(1) 0.1 mole KI
(2) 0.2 mole KI
(3) 0.1 mole MgCl2
(4) 0.2 mole MgCl2

The correct answer is (4) 0.2 mole MgCl2. IN Vant Hoff factor, it is greater for MgCl2. There are more ions.