Colligative Properties
Properties of a solution that depend only on the number of solute particles, not their identity.
Raoult's Law
The vapour pressure of a solution is proportional to the mole fraction of the solvent — the basis for understanding colligative properties.
Colligative Properties
- Relative lowering of vapour pressure
- Elevation of boiling point
- Depression of freezing point
- Osmotic pressure
Note: For solutes that dissociate or associate in solution, the Van't Hoff factor (i) corrects for the abnormal molar mass observed.
Lesson 2 of 24