Solute, Solvent, Solution
These are vocabulary you HAVE to memorize and know!
Solute: The thing being dissolved. Can be solid, gas or liquid. Example: Salt in seawater, fizzy gas (CO2) in soft drinks
Solvent: The liquid that dissolves the solute. Must be a liquid. Example: Salt in seawater
Solution: The mixture of solvent and solute. Solvent and solute added together forms the solution. Must be a liquid!
Example: Seawater is the mixture of salt and water
Soluble: Can be dissolved
Example: Sugar in a cup of coffee
Insoluble: Can't be dissolved
Example: Sand in water
Concentrated: Lots of solute compared to solvent
Diluted: Lots of solvent compared to solute
(Not to be confused with strength of an acid!)