CBSE Class 12 Chemistry Notes: Solutions – Concentration Terms of Solutions-I

Concentration: It is the amount of solute present in one litre of solution. It is denoted by C or S.

Concentration in parts per million (ppm):  The parts of a component (A) per million parts (10⁶) of the solution.

Concentration in parts per billion (ppb): The parts of a component (A) per billion parts (10⁹) of the solution.

Molarity:  It is the number of gram equivalents of solute present in one litre of the solution and it is denoted by M.

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