Unit 4 Test Review

8.1,8.2,8.3,8.4

Solution

a homogeneous mixture

of two or more substances.

Solubility

the maximum amount of solute that will dissolve in a given quantity of solvent at a specific temperature.

Solvent

A substance that is present in the greatest amount in a solution

Solute

Any other substances in the solution

Polar molecules

Molecules that dissolve in water

Non polar molecules

Molecules that do not dissolve in water

Why is water a good solvent?

Like dissolves like

a solute will probably dissolve in a solvent if the solute and the solvent have the same polar or non-polar nature.

An equipment used to measure volume

Soluble

able to be dissolved

Saturated

solution that cannot dissolve any more solute

Unsaturated

a solution of any solute that will dissolve more of the same solute if it is added to the solution

Supersaturated

solution that contains more dissolved solute than a saturated solution at the same temperature.

Concentrated

having a high ratio of solute to solution

Dilute

having a low ratio of solute-to-solution