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mole fraction

noun, Chemistry.
the ratio of the number of moles of a given component of a mixture to the total number of moles of all the components.
Origin of mole fraction
1920-25 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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mole-fraction in Medicine

mole fraction n.
The ratio of the moles of one component of a system to the total moles of all components present.

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