PRESENTATION OUTLINE
Solution:
Homogeneous mixture of two or more substances in a single phase.
Aqueous Solution:
A solution dissolved in water.
Solvent:
The dissolving medium in a solution.
Solute:
The substance dissolved in a solution.
Solubility:
Amount of a substance required to form a saturated solution.
Suspensions:
A solution where the particles of solute in the solvent are so large that they settle unless the mixture is constantly stirred.
Colloids:
Particles of solute in the solvent are medium in size between solutions and suspension.
Electrolyte:
A substance that dissolves in water to form a solution with an electrical current.
Non-electrolyte:
A substance that dissolves in water to create a solution without an electrical current.
Unsaturated:
A solution that contains less solute than the saturated solution.
Supersaturated:
A solution that contains more solute than the saturated solution.
Miscible:
Liquids that dissolve freely in one another in any proportion.
Immiscible:
Liquids that are not soluble in one another.
Saturated:
A solution that contains the maximum amount of dissolved solute.
Molarity:
Number of moles of a solute in one liter of solution.
Molality:
The concentration of a solution expressed in moles of solute per kilogram of solvent.
Dissociation:
The separation of ions that occurs when and ionic compound dissolves.
Ionization:
Ions are formed from solute molecules by the action of the solute.
Strong electrolyte:
Compound containing a strong electrical current because of many + and - ions.
Weak electrolyte:
Compound with a small electrical current because small amount of + and - ions.
Colligative properties:
Depend on the concentration of solute particles but not on their identity.
Freezing point depression:
Difference between freezing points of the pure solvent and a solution of nonelectolyte in the solvent. Directly proportional to molar concentration of the solution.
Boiling point elevation:
Difference between boiling points of pure solvent and nonelectolyte solution of solvent. Directly proportional to molar concentration of solution.
Soluble:
Capable of being dissolved.
Non-soluble:
Not capable of being dissolved.
