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K-Value or Vapour-Liquid Distribution Ratio of Component Calculator

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K values for Gamma Phi formulation, Raoult’s Law, Modified Raoult’s Law, and Henry’s Law

✖The Mole Fraction of Component in Vapor Phase can be defined as the ratio of the number of moles a component to the total number of moles of components present in the vapor phase.ⓘ Mole Fraction of Component in Vapor Phase [y_Gas]			+10% -10%
✖The Mole Fraction of Component in Liquid Phase can be defined as the ratio of the number of moles a component to the total number of moles of components present in the liquid phase.ⓘ Mole Fraction of Component in Liquid Phase [x_Liquid]			+10% -10%

✖K value is defined as the ratio of vapor-phase mole fraction to the liquid phase mole fraction.ⓘ K-Value or Vapour-Liquid Distribution Ratio of Component [K]

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K-Value or Vapour-Liquid Distribution Ratio of Component Solution

STEP 0: Pre-Calculation Summary

Formula Used

K value = Mole Fraction of Component in Vapor Phase/Mole Fraction of Component in Liquid Phase
K = y_Gas/x_Liquid
This formula uses 3 Variables

Variables Used

K value - K value is defined as the ratio of vapor-phase mole fraction to the liquid phase mole fraction.
Mole Fraction of Component in Vapor Phase - The Mole Fraction of Component in Vapor Phase can be defined as the ratio of the number of moles a component to the total number of moles of components present in the vapor phase.
Mole Fraction of Component in Liquid Phase - The Mole Fraction of Component in Liquid Phase can be defined as the ratio of the number of moles a component to the total number of moles of components present in the liquid phase.

STEP 1: Convert Input(s) to Base Unit

Mole Fraction of Component in Vapor Phase: 0.3 --> No Conversion Required
Mole Fraction of Component in Liquid Phase: 0.51 --> No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

K = y_Gas/x_Liquid --> 0.3/0.51

Evaluating ... ...

K = 0.588235294117647

STEP 3: Convert Result to Output's Unit

0.588235294117647 --> No Conversion Required

FINAL ANSWER

0.588235294117647 ≈ 0.588235 <-- K value

(Calculation completed in 00.004 seconds)

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Home » Engineering » Chemical Engineering » Thermodynamics » Phase Equilibrium » Vapor Liquid Equilibrium » Raoult’s Law, Modified Raoult’s Law, and Henry’s Law in VLE » K values for Gamma Phi formulation, Raoult’s Law, Modified Raoult’s Law, and Henry’s Law » K-Value or Vapour-Liquid Distribution Ratio of Component

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National Institute Of Technology (NIT), Surathkal

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< K values for Gamma Phi formulation, Raoult’s Law, Modified Raoult’s Law, and Henry’s Law Calculators

Fugacity Coefficient of Component using K-Value Expression for Gamma-Phi Formulation

LaTeX Go Fugacity Coefficient in Raoults Law = (Activity Coefficient in Raoults Law*Saturated Pressure in Gamma-Phi Formulation)/(K value*Total Pressure of Gas)

K-Value of Component using Gamma-Phi Formulation

LaTeX Go K value = (Activity Coefficient in Raoults Law*Saturated Pressure in Gamma-Phi Formulation)/(Fugacity Coefficient in Raoults Law*Total Pressure of Gas)

Activity Coefficient of Component using K-Value Expression for Gamma-Phi Formulation

LaTeX Go Activity Coefficient in Raoults Law = (K value*Fugacity Coefficient in Raoults Law*Total Pressure of Gas)/Saturated Pressure in Gamma-Phi Formulation

K-Value or Vapour-Liquid Distribution Ratio of Component

LaTeX Go K value = Mole Fraction of Component in Vapor Phase/Mole Fraction of Component in Liquid Phase

K-Value or Vapour-Liquid Distribution Ratio of Component Formula

LaTeX Go

K value = Mole Fraction of Component in Vapor Phase/Mole Fraction of Component in Liquid Phase
K = y_Gas/x_Liquid

Define K-Value and it's Relation with Relative Volatility (α).

The K value or vapour-liquid distribution ratio of a component is the ratio of vapour mole fraction of that component to the liquid mole fraction of that component. A K value for a more volatile component is larger than a K value for a less volatile component. That means that α (relative volatility) ≥ 1 since the larger K value of the more volatile component is in the numerator and the smaller K of the less volatile component is in the denominator.

What are the Limitations of Henry Law?

Henry law is only applicable when the molecules of the system are in a state of equilibrium. The second limitation is that it does not hold true when gases are placed under extremely high pressure. The third limitation that it is not applicable when the gas and the solution participate in chemical reactions with each other.

How to Calculate K-Value or Vapour-Liquid Distribution Ratio of Component?

K-Value or Vapour-Liquid Distribution Ratio of Component calculator uses K value = Mole Fraction of Component in Vapor Phase/Mole Fraction of Component in Liquid Phase to calculate the K value, The K-Value or Vapour-Liquid Distribution Ratio of Component formula is defined as the ratio of vapour mole fraction of that component to the liquid mole fraction of that component. K value is denoted by K symbol.

How to calculate K-Value or Vapour-Liquid Distribution Ratio of Component using this online calculator? To use this online calculator for K-Value or Vapour-Liquid Distribution Ratio of Component, enter Mole Fraction of Component in Vapor Phase (y_Gas) & Mole Fraction of Component in Liquid Phase (x_Liquid) and hit the calculate button. Here is how the K-Value or Vapour-Liquid Distribution Ratio of Component calculation can be explained with given input values -> 0.803922 = 0.3/0.51.

FAQ

What is K-Value or Vapour-Liquid Distribution Ratio of Component?

The K-Value or Vapour-Liquid Distribution Ratio of Component formula is defined as the ratio of vapour mole fraction of that component to the liquid mole fraction of that component and is represented as K = y_Gas/x_Liquid or K value = Mole Fraction of Component in Vapor Phase/Mole Fraction of Component in Liquid Phase. The Mole Fraction of Component in Vapor Phase can be defined as the ratio of the number of moles a component to the total number of moles of components present in the vapor phase & The Mole Fraction of Component in Liquid Phase can be defined as the ratio of the number of moles a component to the total number of moles of components present in the liquid phase.

How to calculate K-Value or Vapour-Liquid Distribution Ratio of Component?

The K-Value or Vapour-Liquid Distribution Ratio of Component formula is defined as the ratio of vapour mole fraction of that component to the liquid mole fraction of that component is calculated using K value = Mole Fraction of Component in Vapor Phase/Mole Fraction of Component in Liquid Phase. To calculate K-Value or Vapour-Liquid Distribution Ratio of Component, you need Mole Fraction of Component in Vapor Phase (y_Gas) & Mole Fraction of Component in Liquid Phase (x_Liquid). With our tool, you need to enter the respective value for Mole Fraction of Component in Vapor Phase & Mole Fraction of Component in Liquid Phase and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

How many ways are there to calculate K value?

In this formula, K value uses Mole Fraction of Component in Vapor Phase & Mole Fraction of Component in Liquid Phase. We can use 3 other way(s) to calculate the same, which is/are as follows -

K value = (Activity Coefficient in Raoults Law*Saturated Pressure in Gamma-Phi Formulation)/(Fugacity Coefficient in Raoults Law*Total Pressure of Gas)
K value = Saturated Pressure in Raoults Law/Total Pressure of Gas
K value = (Activity Coefficient in Raoults Law*Saturated Pressure in Raoults Law)/Total Pressure of Gas

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