Solution

Solution : Homogeneous mixture of two or more than two pure substances.

Types of solution: on the basis of state of solution

1. Solid solution

2. Liquid solution

3.Gaseous solution

Expressing concentration of solution:

1. Molarity : The number of moles of solute present per litre of solution.

2. Molarity : The number of moles of solute present per 1000 g of solvent.

3. Mole fraction : Ratio of number of moles of components to the total moles of all the components in the solution.