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Vapour Phase Mole Fraction using Raoult's Law in VLE Formula

GoVapour Phase Mole Fraction using Modified Raoult's Law in VLE Formula

GoVapour 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 P sat}{P T}

y_Gas - Mole Fraction of Component in Vapor Phase?x_Liquid - Mole Fraction of Component in Liquid Phase?P^sat - Saturated pressure?P_T - Total Pressure of Gas?

Vapour Phase Mole Fraction using Raoult's Law in VLE Example

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

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

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

0.2498 = \frac{0.51 \cdot 50000}{102100}

0.2498 = \frac{0.51 \cdot 50000Pa}{102100Pa}

0.2498 = \frac{0.51 \cdot 50000}{102100}

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Vapour Phase Mole Fraction using Raoult's Law in VLE Solution

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

FIRST Step Consider the formula

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

Next Step Substitute values of Variables

∴

y Gas = \frac{0.51 \cdot 50000Pa}{102100Pa}

Next Step Prepare to Evaluate

∴

y Gas = \frac{0.51 \cdot 50000}{102100}

Next Step Evaluate

∴

y Gas = 0.24975514201763

LAST Step Rounding Answer

∴

y Gas = 0.2498

Vapour Phase Mole Fraction using Raoult's 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

Saturated pressure

Saturated pressure 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: P^sat

Measurement: PressureUnit: Pa

Note: Value can be positive or negative.

Formulas to find Saturated pressure

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 to find Mole Fraction of Component in Vapor Phase

Go Vapour Phase Mole Fraction using Modified Raoult's Law in VLE

y Gas = \frac{x Liquid \cdot γ Raoults \cdot P sat}{P T}

Go Vapour Phase Mole Fraction using Henry Law in VLE

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

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

Go Total Pressure using Modified Raoult's Law in VLE

P T = \frac{x Liquid \cdot γ Raoults \cdot P sat}{y Gas}

Go Liquid Phase Mole Fraction using Modified Raoult's Law in VLE

x Liquid = \frac{y Gas \cdot P T}{γ Raoults \cdot P sat}

Go Activity Coefficient using Modified Raoult's Law in VLE

γ Raoults = \frac{y Gas \cdot P T}{x Liquid \cdot P sat}

Go Saturated Pressure using Modified Raoult's Law in VLE

P sat = \frac{y Gas \cdot P T}{x Liquid \cdot γ Raoults}

How to Evaluate Vapour Phase Mole Fraction using Raoult's Law in VLE?

Vapour Phase Mole Fraction using Raoult's Law in VLE evaluator uses Mole Fraction of Component in Vapor Phase = (Mole Fraction of Component in Liquid Phase*Saturated pressure)/Total Pressure of Gas to evaluate the Mole Fraction of Component in Vapor Phase, The Vapour Phase Mole Fraction using Raoult's Law in VLE formula is defined as the ratio of the product of the liquid phase mole fraction and the saturated pressure 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 Raoult's Law in VLE using this online evaluator? To use this online evaluator for Vapour Phase Mole Fraction using Raoult's Law in VLE, enter Mole Fraction of Component in Liquid Phase (x_Liquid), Saturated pressure (P^sat) & Total Pressure of Gas (P_T) and hit the calculate button.

FAQs on Vapour Phase Mole Fraction using Raoult's Law in VLE

What is the formula to find Vapour Phase Mole Fraction using Raoult's Law in VLE?

The formula of Vapour Phase Mole Fraction using Raoult's Law in VLE is expressed as Mole Fraction of Component in Vapor Phase = (Mole Fraction of Component in Liquid Phase*Saturated pressure)/Total Pressure of Gas. Here is an example- 0.084626 = (0.51*50000)/102100.

How to calculate Vapour Phase Mole Fraction using Raoult's Law in VLE?

With Mole Fraction of Component in Liquid Phase (x_Liquid), Saturated pressure (P^sat) & Total Pressure of Gas (P_T) we can find Vapour Phase Mole Fraction using Raoult's Law in VLE using the formula - Mole Fraction of Component in Vapor Phase = (Mole Fraction of Component in Liquid Phase*Saturated pressure)/Total Pressure of Gas.

What are the other ways to Calculate Mole Fraction of Component in Vapor Phase?

Here are the different ways to Calculate Mole Fraction of Component in Vapor Phase-

Mole Fraction of Component in Vapor Phase=(Mole Fraction of Component in Liquid Phase*Activity Coefficient in Raoults Law*Saturated pressure)/Total Pressure of Gas
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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