Molality Definition

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Molality Definition: a unit of concentration, defined to be equal to the number of moles of solute divided by the number of kilograms of solvent. Molality is abbreviated as molal.

Examples: The solution made by dissolving 0.10 moles of KNO3 into 200 grams of H2O would be 0.50 molal in KNO3.

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Helmenstine, Anne Marie, Ph.D. "Molality Definition." ThoughtCo, Aug. 25, 2020, thoughtco.com/molality-definition-in-chemistry-606375. Helmenstine, Anne Marie, Ph.D. (2020, August 25). Molality Definition. Retrieved from https://www.thoughtco.com/molality-definition-in-chemistry-606375 Helmenstine, Anne Marie, Ph.D. "Molality Definition." ThoughtCo. https://www.thoughtco.com/molality-definition-in-chemistry-606375 (accessed January 24, 2021).