Wednesday, April 30, 2014

Science Facts: Molarity vs Molality

The molarity (M) of substance in solution is (moles of solute)/(liters of solution). The molality (m) is (moles of solute)/(kilograms of solvent). Molarity is used in most equilibrium equations and other such things, and molality is used when calculating how much the solute changes the boiling and freezing points of a solution.

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