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Vapour Phase Mole Fraction using Henry Law in VLE Formula

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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. Check FAQs

y Gas = \frac{x Liquid \cdot K H}{P T}

y_Gas - Mole Fraction of Component in Vapor Phase?x_Liquid - Mole Fraction of Component in Liquid Phase?K_H - Henry Law Constant?P_T - Total Pressure of Gas?

Vapour Phase Mole Fraction using Henry Law in VLE Example

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Here is how the Vapour Phase Mole Fraction using Henry Law in VLE equation looks like with Values.

Here is how the Vapour Phase Mole Fraction using Henry Law in VLE equation looks like with Units.

Here is how the Vapour Phase Mole Fraction using Henry Law in VLE equation looks like.

0.999 = \frac{0.51 \cdot 200000}{102100}

0.999 = \frac{0.51 \cdot 200000Pa/mol/m³}{102100Pa}

0.999 = \frac{0.51 \cdot 200000}{102100}

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Vapour Phase Mole Fraction using Henry Law in VLE Solution

Follow our step by step solution on how to calculate Vapour Phase Mole Fraction using Henry Law in VLE?

FIRST Step Consider the formula

y Gas = \frac{x Liquid \cdot K H}{P T}

Next Step Substitute values of Variables

∴

y Gas = \frac{0.51 \cdot 200000Pa/mol/m³}{102100Pa}

Next Step Prepare to Evaluate

∴

y Gas = \frac{0.51 \cdot 200000}{102100}

Next Step Evaluate

∴

y Gas = 0.999020568070519

LAST Step Rounding Answer

∴

y Gas = 0.999

Vapour Phase Mole Fraction using Henry Law in VLE Formula Elements

Variables

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.

Symbol: y_Gas

Measurement: NAUnit: Unitless

Note: Value should be between 0 to 1.

Formulas to find Mole Fraction of Component in 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.

Symbol: x_Liquid

Measurement: NAUnit: Unitless

Note: Value should be between 0 to 1.

Formulas to find Mole Fraction of Component in Liquid Phase

Henry Law Constant

Henry Law Constant is a measure of the concentration of a chemical in air over its concentration in water.

Symbol: K_H

Measurement: Henry's Law Volatility ConstantUnit: Pa/mol/m³

Note: Value can be positive or negative.

Formulas to find Henry Law Constant

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: P_T

Measurement: PressureUnit: Pa

Note: Value can be positive or negative.

Formulas to find Total Pressure of Gas

Other formulas in Raoult’s Law, Modified Raoult’s Law, and Henry’s Law in VLE category

Go Henry Law Constant using Henry Law in VLE

K H = \frac{y Gas \cdot P T}{x Liquid}

Go Liquid Phase Mole Fraction using Henry Law in VLE

x Liquid = \frac{y Gas \cdot P T}{K H}

Go Total Pressure using Henry Law in VLE

P T = \frac{x Liquid \cdot K H}{y Gas}

How to Evaluate Vapour Phase Mole Fraction using Henry Law in VLE?

Vapour Phase Mole Fraction using Henry Law in VLE evaluator uses Mole Fraction of Component in Vapor Phase = (Mole Fraction of Component in Liquid Phase*Henry Law Constant)/Total Pressure of Gas to evaluate the Mole Fraction of Component in Vapor Phase, The Vapour Phase Mole Fraction using Henry Law in VLE formula is defined as the ratio of the product of the liquid phase mole fraction and the henry law constant to the total pressure of mixture or solution. Mole Fraction of Component in Vapor Phase is denoted by y_Gas symbol.

How to evaluate Vapour Phase Mole Fraction using Henry Law in VLE using this online evaluator? To use this online evaluator for Vapour Phase Mole Fraction using Henry Law in VLE, enter Mole Fraction of Component in Liquid Phase (x_Liquid), Henry Law Constant (K_H) & Total Pressure of Gas (P_T) and hit the calculate button.

FAQs on Vapour Phase Mole Fraction using Henry Law in VLE

What is the formula to find Vapour Phase Mole Fraction using Henry Law in VLE?

The formula of Vapour Phase Mole Fraction using Henry Law in VLE is expressed as Mole Fraction of Component in Vapor Phase = (Mole Fraction of Component in Liquid Phase*Henry Law Constant)/Total Pressure of Gas. Here is an example- 0.338505 = (0.51*200000)/102100.

How to calculate Vapour Phase Mole Fraction using Henry Law in VLE?

With Mole Fraction of Component in Liquid Phase (x_Liquid), Henry Law Constant (K_H) & Total Pressure of Gas (P_T) we can find Vapour Phase Mole Fraction using Henry Law in VLE using the formula - Mole Fraction of Component in Vapor Phase = (Mole Fraction of Component in Liquid Phase*Henry Law Constant)/Total Pressure of Gas.

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