Posted by Ginger on Friday, April 25, 2008 at 9:49pm.
Molarity = # mols/L. # mols = grams/molar mass. The mass of a solute doesn't change with temperature. But volume will; therefore, molarity will change as the density of solvent changes with temperature.
Molality = # mols/kg solvent. In light of the preceding paragraph, do you think molality will change with termperature?
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