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The Selectivity or Separation Factor is defined as the preferential uptake of the solute by the solvent over the carrier. Check FAQs
βC, A=yCyAxCxA
βC, A - Selectivity?yC - Mass Fraction of Solute in the Extract?yA - Mass Fraction of Carrier Liquid in the Extract?xC - Mass Fraction of Solute in the Raffinate?xA - Mass Fraction of Carrier Liquid in the Raffinate?

Selectvity of Solute based on Mole Fractions Example

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Here is how the Selectvity of Solute based on Mole Fractions equation looks like with Values.

Here is how the Selectvity of Solute based on Mole Fractions equation looks like with Units.

Here is how the Selectvity of Solute based on Mole Fractions equation looks like.

1.8186Edit=0.3797Edit0.674Edit0.1394Edit0.45Edit
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Selectvity of Solute based on Mole Fractions Solution

Follow our step by step solution on how to calculate Selectvity of Solute based on Mole Fractions?

FIRST Step Consider the formula
βC, A=yCyAxCxA
Next Step Substitute values of Variables
βC, A=0.37970.6740.13940.45
Next Step Prepare to Evaluate
βC, A=0.37970.6740.13940.45
Next Step Evaluate
βC, A=1.81857175091213
LAST Step Rounding Answer
βC, A=1.8186

Selectvity of Solute based on Mole Fractions Formula Elements

Variables
Selectivity
The Selectivity or Separation Factor is defined as the preferential uptake of the solute by the solvent over the carrier.
Symbol: βC, A
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Mass Fraction of Solute in the Extract
The Mass Fraction of Solute in the Extract Phase is the mass fraction of the solute in the extract phase after separation of the ternary mixture.
Symbol: yC
Measurement: NAUnit: Unitless
Note: Value should be less than 1.
Mass Fraction of Carrier Liquid in the Extract
The Mass Fraction of Carrier Liquid in the Extract Phase is the mass fraction of the carrier liquid in the extract phase after separation of the ternary mixture.
Symbol: yA
Measurement: NAUnit: Unitless
Note: Value should be less than 1.
Mass Fraction of Solute in the Raffinate
The Mass Fraction of Solute in the Raffinate Phase is the mass fraction of the solute in the raffinate phase after separation of the ternary mixture.
Symbol: xC
Measurement: NAUnit: Unitless
Note: Value should be less than 1.
Mass Fraction of Carrier Liquid in the Raffinate
The Mass Fraction of Carrier Liquid in the Raffinate Phase is the fraction of the carrier liquid in the raffinate phase after separation of the ternary mixture.
Symbol: xA
Measurement: NAUnit: Unitless
Note: Value should be less than 1.

Other Formulas to find Selectivity

​Go Selectivity of Solute based on Distribution Coefficients
βC, A=KSoluteKCarrierLiq
​Go Selectvity of Solute based on Activity Coefficients
βC, A=ΥcRΥcEΥaRΥaE

Other formulas in Distribution Coefficient, Selectivity and Mass Ratio category

​Go Distribution Coefficient of Carrier Liquid from Activity Coefficients
KCarrierLiq=ΥaRΥaE
​Go Distribution Coefficient of Carrier Liquid from Mass Fraction
KCarrierLiq=yAxA
​Go Distribution Coefficient of Solute from Activity Coefficient
KSolute=ΥcRΥcE
​Go Distribution Coefficient of Solute from Mass Fractions
KSolute=yCxC

How to Evaluate Selectvity of Solute based on Mole Fractions?

Selectvity of Solute based on Mole Fractions evaluator uses Selectivity = (Mass Fraction of Solute in the Extract/Mass Fraction of Carrier Liquid in the Extract)/(Mass Fraction of Solute in the Raffinate/Mass Fraction of Carrier Liquid in the Raffinate) to evaluate the Selectivity, The Selectvity of Solute based on Mole fractions formula is defined as the ratio of mole fraction of solute in extract to carrier liquid in extract to that of the solute in raffinate to carrier liquid in raffinate. Selectivity is denoted by βC, A symbol.

How to evaluate Selectvity of Solute based on Mole Fractions using this online evaluator? To use this online evaluator for Selectvity of Solute based on Mole Fractions, enter Mass Fraction of Solute in the Extract (yC), Mass Fraction of Carrier Liquid in the Extract (yA), Mass Fraction of Solute in the Raffinate (xC) & Mass Fraction of Carrier Liquid in the Raffinate (xA) and hit the calculate button.

FAQs on Selectvity of Solute based on Mole Fractions

What is the formula to find Selectvity of Solute based on Mole Fractions?
The formula of Selectvity of Solute based on Mole Fractions is expressed as Selectivity = (Mass Fraction of Solute in the Extract/Mass Fraction of Carrier Liquid in the Extract)/(Mass Fraction of Solute in the Raffinate/Mass Fraction of Carrier Liquid in the Raffinate). Here is an example- 1.818572 = (0.3797/0.674)/(0.1394/0.45).
How to calculate Selectvity of Solute based on Mole Fractions?
With Mass Fraction of Solute in the Extract (yC), Mass Fraction of Carrier Liquid in the Extract (yA), Mass Fraction of Solute in the Raffinate (xC) & Mass Fraction of Carrier Liquid in the Raffinate (xA) we can find Selectvity of Solute based on Mole Fractions using the formula - Selectivity = (Mass Fraction of Solute in the Extract/Mass Fraction of Carrier Liquid in the Extract)/(Mass Fraction of Solute in the Raffinate/Mass Fraction of Carrier Liquid in the Raffinate).
What are the other ways to Calculate Selectivity?
Here are the different ways to Calculate Selectivity-
  • Selectivity=Distribution Coefficient of Solute/Distribution Coefficient of Carrier LiquidOpenImg
  • Selectivity=(Activity Coefficient of Solute in Raffinate/Activity Coefficient of Solute in Extract)/(Activity Coefficient of Carrier Liq in Raffinate/Activity Coefficient of Carrier Liquid in Extract)OpenImg
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