Colligative properties are properties that depend only on the number of solute particles present, not on the nature or type of those particles.
Colligative Properties cheat sheet for homework
The phenomenon where the boiling point of a liquid will be higher when something else is added to it.
The decrease in freezing point experienced by a solution compared to its pure solvent.
Osmotic Pressure: The pressure required to prevent osmosis into a given solution when it is separated from pure solvent by a semipermeable membrane.