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K value is defined as the ratio of vapor-phase mole fraction to the liquid phase mole fraction. Check FAQs
K=γRaoultsPSaturatedPT
K - K value?γRaoults - Activity Coefficient in Raoults Law?PSaturated - Saturated Pressure in Raoults Law?PT - Total Pressure of Gas?

K-Value of Component using Modified Raoult's Law Example

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With units
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Here is how the K-Value of Component using Modified Raoult's Law equation looks like with Values.

Here is how the K-Value of Component using Modified Raoult's Law equation looks like with Units.

Here is how the K-Value of Component using Modified Raoult's Law equation looks like.

0.0018Edit=0.9Edit200Edit102100Edit
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K-Value of Component using Modified Raoult's Law Solution

Follow our step by step solution on how to calculate K-Value of Component using Modified Raoult's Law?

FIRST Step Consider the formula
K=γRaoultsPSaturatedPT
Next Step Substitute values of Variables
K=0.9200Pa102100Pa
Next Step Prepare to Evaluate
K=0.9200102100
Next Step Evaluate
K=0.00176297747306562
LAST Step Rounding Answer
K=0.0018

K-Value of Component using Modified Raoult's Law Formula Elements

Variables
K value
K value is defined as the ratio of vapor-phase mole fraction to the liquid phase mole fraction.
Symbol: K
Measurement: NAUnit: Unitless
Note: Value should be greater than 0.
Activity Coefficient in Raoults Law
Activity Coefficient in Raoults Law is a factor used in thermodynamics to account for deviations from ideal behaviour in a mixture of chemical substances.
Symbol: γRaoults
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Saturated Pressure in Raoults Law
Saturated Pressure in Raoults Law is the pressure at which a given liquid and its vapour or a given solid and its vapour can co-exist in equilibrium, at a given temperature.
Symbol: PSaturated
Measurement: PressureUnit: Pa
Note: Value can be positive or negative.
Total Pressure of Gas
Total pressure of Gas is the sum of all the forces that the gas molecules exert on the walls of their container.
Symbol: PT
Measurement: PressureUnit: Pa
Note: Value can be positive or negative.

Other Formulas to find K value

​Go K-Value or Vapour-Liquid Distribution Ratio of Component
K=yGasxLiquid
​Go K-Value of Component using Gamma-Phi Formulation
K=γRaoultsPsatϕRaoultsPT
​Go K-Value of Component using Raoult's Law
K=PSaturatedPT

Other formulas in K values for Gamma Phi formulation, Raoult’s Law, Modified Raoult’s Law, and Henry’s Law category

​Go Fugacity Coefficient of Component using K-Value Expression for Gamma-Phi Formulation
ϕRaoults=γRaoultsPsatKPT
​Go Activity Coefficient of Component using K-Value Expression for Gamma-Phi Formulation
γRaoults=KϕRaoultsPTPsat
​Go Pressure using K-Value Expression for Gamma-Phi Formulation
PT=γRaoultsPsatKϕRaoults
​Go Saturated Pressure of Component using K-value Expression for Gamma-Phi Formulation
Psat=KϕRaoultsPTγRaoults

How to Evaluate K-Value of Component using Modified Raoult's Law?

K-Value of Component using Modified Raoult's Law evaluator uses K value = (Activity Coefficient in Raoults Law*Saturated Pressure in Raoults Law)/Total Pressure of Gas to evaluate the K value, The K-Value of Component using Modified Raoult's Law formula is defined as the ratio of the product of activity coefficient of that component and saturated pressure of that component to the pressure. K value is denoted by K symbol.

How to evaluate K-Value of Component using Modified Raoult's Law using this online evaluator? To use this online evaluator for K-Value of Component using Modified Raoult's Law, enter Activity Coefficient in Raoults Law Raoults), Saturated Pressure in Raoults Law (PSaturated) & Total Pressure of Gas (PT) and hit the calculate button.

FAQs on K-Value of Component using Modified Raoult's Law

What is the formula to find K-Value of Component using Modified Raoult's Law?
The formula of K-Value of Component using Modified Raoult's Law is expressed as K value = (Activity Coefficient in Raoults Law*Saturated Pressure in Raoults Law)/Total Pressure of Gas. Here is an example- 0.000597 = (0.9*200)/102100.
How to calculate K-Value of Component using Modified Raoult's Law?
With Activity Coefficient in Raoults Law Raoults), Saturated Pressure in Raoults Law (PSaturated) & Total Pressure of Gas (PT) we can find K-Value of Component using Modified Raoult's Law using the formula - K value = (Activity Coefficient in Raoults Law*Saturated Pressure in Raoults Law)/Total Pressure of Gas.
What are the other ways to Calculate K value?
Here are the different ways to Calculate K value-
  • K value=Mole Fraction of Component in Vapor Phase/Mole Fraction of Component in Liquid PhaseOpenImg
  • K value=(Activity Coefficient in Raoults Law*Saturated Pressure in Gamma-Phi Formulation)/(Fugacity Coefficient in Raoults Law*Total Pressure of Gas)OpenImg
  • K value=Saturated Pressure in Raoults Law/Total Pressure of GasOpenImg
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