What do a.m. and p.m. stand for?


[moh-lal-i-tee] /moʊˈlæl ɪ ti/
noun, plural molalities. Chemistry
the number of moles of solute per kilogram of solvent.
Origin of molality
1920-25; molal + -ity Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for molality
  • molality is the number of of solute divided by the number of of solvent.
  • In that case, the moles of solutes are scaled to produce the molality as converted from the input data.
  • The shift is linear in the molality, but not molarity.
  • If you look at the results, the solution compositions of the mixture are the same in terms of molality.
British Dictionary definitions for molality


noun (pl) -ties
(not in technical usage) a measure of concentration equal to the number of moles of solute in a thousand grams of solvent
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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molality in Medicine

molality mo·lal·i·ty (mō-lāl'ĭ-tē)
The molal concentration of a solute, usually expressed as the number of moles of solute per 1,000 grams of solvent.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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