Which of the following solutions will have the highest boiling point?
Correct Answer: 0.1 M MgCl2
- Step 1: Understand that boiling point elevation depends on the number of particles in solution.
- Step 2: Identify the van 't Hoff factor (i) for each solute. This factor tells us how many particles each solute breaks into when dissolved.
- Step 3: For MgCl2, it dissociates into 3 particles: 1 Mg^2+ ion and 2 Cl^- ions. So, i = 3.
- Step 4: Compare the van 't Hoff factors of other solutions (if provided) to see which has the highest value.
- Step 5: The solution with the highest van 't Hoff factor will have the highest boiling point.
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