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Colligative Properties

Colligative properties depend on the number of particles in a solution rather than on the type of particles in the solution. Learn about boiling point elevation, freezing point depression and vapor pressure.

Boiling Point Elevation
Boiling point elevation occurs when the boiling point of a solution becomes higher than the boiling point of a pure solvent. Here's a closer look at what boiling point elevation is and how it works.

Freezing Point Depression
Freezing point is one of the colligative properties of matter. Here's a look at what freezing point depression is and how it works.

Boiling Point Elevation Example Problem
This example problem demonstrates how to calculate boiling point elevation.

Freezing Point Depression Example Problem
This example problem demonstrates how to calculate freezing point depression.

Melting Snow & Ice with Salt
You know salt is sprinkled on roads and sidewalks to melt ice and prevent it from refreezing, but do you know how it works? Learn about freezing point depression and colligative properties and find out about the pros and cons of several de-icers.

Ice Cream in a Baggie
Make a tasty treat and learn about freezing point depression, too! All you need are some basic ingredients and two ziploc baggies. It's easy, fun, and educational.

Osmotic Pressure Example
This example problem demonstrates how to calculate the osmotic pressure of a solution.

Osmotic Pressure Example
This example problem demonstrates how to calculate the amount of solute to add to create a specific osmotic pressure in a solution.

What Is the Boiling Point of Milk?
Here's a look at the boiling point of milk and the factors that affect it.

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