**Molarity is the number of moles of solute per liter of solution, while normality is the measure of concentration qual to the gram equivalent weight per liter of solution.** Normality and molarity are both measures of concentration in chemical solutions.

Molarity is the most common measurement of chemical concentration. If a solution of H2SO4 has a molarity of 1 (expressed M1), then there is one mole of H2SO4 in every liter of that solution. Normality measures the gram equivalent weight in every liter of solution. Gram equivalent weight is a measure of the reactive capacity of a molecule.