Soluble substances: are able to dissolve in a liquid
An insoluble substance: does not dissolve in a liquid
Solute: a substance that dissolves in a liquid
Solvent: The liquid in which a substance dissolves
Solution: A mixture of a solute and a solvent
A concentrated solution: contains a lot of solute in a little solvent
A dilute solution: contains a little solute in a lot of solvent
A saturated solution: is one in which no more solute will dissolve
Solubility: is a measure of the ability of a substance to dissolve in another substance