In chemistry|lang=en terms the difference between osmolality and molarity
is that
osmolality is (chemistry) the molality of an ideal solution that would exert the same osmotic pressure as the solution being considered while
molarity is (chemistry) the concentration of a substance in solution, expressed as the number moles of solute per litre of solution.
As nouns the difference between osmolality and molarity
is that
osmolality is (chemistry) the molality of an ideal solution that would exert the same osmotic pressure as the solution being considered while
molarity is (chemistry) the concentration of a substance in solution, expressed as the number moles of solute per litre of solution.