Molal (Adjective)
Meaning
Designating a solution containing one mole of solute per kilogram of solvent.
Classification
Relational adjectives (pertainyms).
Examples
- A molal solution of sodium chloride is prepared by dissolving one mole of sodium chloride in one kilogram of water.
- The molal concentration of the solution is calculated by dividing the number of moles of solute by the mass of the solvent in kilograms.
- To prepare a molal solution, one mole of the solute is added to one kilogram of the solvent and the mixture is stirred until the solute is completely dissolved.
- The density of a molal solution of sugar in water is slightly higher than that of pure water due to the added solute.
- A molal solution of urea in water is often used as a standard solution in biochemical experiments.