molal

American

[moh-luhl] / ˈmoʊ ləl /

adjective

Chemistry.

noting or pertaining to a solution containing one mole of solute per kilogram of solvent.

molal British

/ ˈməʊləl /

adjective

chem of or consisting of a solution containing one mole of solute per thousand grams of solvent

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of molal

First recorded in 1905–10; mole ⁴ + -al ¹

Example Sentences

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See Examples For:

molal

What is the molal concentration of glucose in this solution?

From Textbooks ● Feb. 14, 2019

Determine the number of moles of compound in the solution from the molal concentration and the mass of solvent used to make the solution.

From Textbooks ● Feb. 14, 2019

The increase in boiling point observed when nonvolatile solute is dissolved in a solvent, ΔTb, is called boiling point elevation and is directly proportional to the molal concentration of solute species:

From Textbooks ● Feb. 14, 2019

What is the molal concentration, m, of iodine in this solution?

From Textbooks ● Feb. 14, 2019

The molal solution is assumed to contain one molecular weight in grams in a liter of solution.

From An Introductory Course of Quantitative Chemical Analysis With Explanatory Notes by Henry P. Talbot

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023