The concentration of a Solution may also be expressed in terms of percentage in the following way.
1. % weight by weight (w/w):
it is given as mass of solute present in per 100 gm of Solution.
2. % weight by volume (w/v):
It is given as mass of solute present in per 100 ml of Solution
3. % volume by volume (V/V):
It is given as volume of solute present in per 100 ml Solution
