mole fraction


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mole fraction

[′mōl ‚frak·shən]
(chemistry)
The ratio of the number of moles of a substance in a mixture or solution to the total number of moles of all the components in the mixture or solution.
References in periodicals archive ?
f], while simultaneously providing solutions satisfying the requirements on the product (conversion, number average molecular weight, and styrene mole fraction in the copolymer).
1]H NMR analyses show that in the gradient emulsion polymerization process, the MMA mole fraction in the copolymer chain increases from 4.
Also, general correlations for mole fraction, critical temperature and acentric factor for these pseudocomponenets have been obtain for all the wells investigated in this study.
Specifically, each figure presents the predicted distribution of oxygen mole fraction as a function of axial and radial position, x and r respectively, around the sample.
w] is the mole fraction of water vapor in the mixture moist air, and 1 - [[psi].
At lower distillate flow rates the mole fraction of heavy key (i-pentane) in the distillate is small, and at higher distillate flow rates the mole fraction of light key (n-butane) in the bottoms is small.
The thermodynamic derivation gives a log-linear relationship between mole fraction and carbon number.
2] hydrocarbons are formed in similar mole fraction to those in the CH4 flames, which also generate methyl radicals in their initial reaction step.
The steam stripping/distillation process implemented by Noramco is based on the principle that the vapor above a boiling mixture will contain a higher mole fraction of the volatile components than the mole fraction in the liquid phase.
2] mole fraction normally declines as soil moisture increases and aeration decreases (Eriksen and Holtan-Hartwig 1993).
E] are s-shaped changing from positive to negative and to positive again with increasing mole fraction of 1,2-dichloroethane, [x.
When an element becomes solute in another element, the vapor pressure of each element will function according to Raoult's law (the vapor pressure of either element is proportional to its mole fraction in the solution multiplied by its normal vapor pressure at the temperature in question).