Types of Solutions
The solutions may be classified on the basis of solubility. The extent to which a solute dissolves in a solvent to form a saturated solution is a measure of solubility.
It depends upon:
(a) Nature of solute and solvent
(c) Pressure (If gas is a solute)
All solutions containing less amount of solute than the saturated solution at a given temperature are said to be unsaturated solutions. While a solution holding more amount of the solute than the saturated solution at the same temperature is called a super-saturated solution. A solution holding quite small amount of solute than the solvent is called a dilute solution.
Types of Solutions
Solvent + Solute Example
- Solid + Solid Alloys, stones
- Solid + Liquid Hydrated salts like
- Solid + Gases Gases in minerals
- Liquid + Solid Sugar in
- Liquid + Liquid Alcohols in
- Liquid + Gas Cold drinks or Carbonated wate
- Gas + Solid l2,campos vapours
- Gas + Liquid Steam or water vapours
- Gas + Gas Air
A mixture of two or more solvents which has definite composition and boiling point is called azeotropic mixture or solution, e.g., a mixture of ethyl alcohol (95.57%) and water (4.43%) boils at and alcohol, benzene and water mixture boils at
Colligative Properties: The properties which depend upon the number of molecules (or ions) and not on their neture are called colligative properties such as relative lowering in vapour pressure, osmotic pressure, elevation of boiling point and depression in freezing point.
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