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

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✖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%
✖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.ⓘ Saturated pressure [P^sat]			+10% -10%
✖Total pressure of Gas is the sum of all the forces that the gas molecules exert on the walls of their container.ⓘ Total Pressure of Gas [P_T]			+10% -10%

✖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.ⓘ Vapour Phase Mole Fraction using Raoult's Law in VLE [y_Gas]

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

STEP 0: Pre-Calculation Summary

Formula Used

Mole Fraction of Component in Vapor Phase = (Mole Fraction of Component in Liquid Phase*Saturated pressure)/Total Pressure of Gas
y_Gas = (x_Liquid*P^sat)/P_T
This formula uses 4 Variables

Variables Used

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.
Saturated pressure - (Measured in Pascal) - 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.
Total Pressure of Gas - (Measured in Pascal) - Total pressure of Gas is the sum of all the forces that the gas molecules exert on the walls of their container.

STEP 1: Convert Input(s) to Base Unit

Mole Fraction of Component in Liquid Phase: 0.51 --> No Conversion Required
Saturated pressure: 50000 Pascal --> 50000 Pascal No Conversion Required
Total Pressure of Gas: 102100 Pascal --> 102100 Pascal No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

y_Gas = (x_Liquid*P^sat)/P_T --> (0.51*50000)/102100

Evaluating ... ...

y_Gas = 0.24975514201763

STEP 3: Convert Result to Output's Unit

0.24975514201763 --> No Conversion Required

FINAL ANSWER

0.24975514201763 ≈ 0.249755 <-- Mole Fraction of Component in Vapor Phase

(Calculation completed in 00.004 seconds)

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< Raoult’s Law, Modified Raoult’s Law, and Henry’s Law in VLE Calculators

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

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

Activity Coefficient using Modified Raoult's Law in VLE

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

Saturated Pressure using Modified Raoult's Law in VLE

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

Total Pressure using Modified Raoult's Law in VLE

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

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

LaTeX Go

Mole Fraction of Component in Vapor Phase = (Mole Fraction of Component in Liquid Phase*Saturated pressure)/Total Pressure of Gas
y_Gas = (x_Liquid*P^sat)/P_T

Explain Vapour Liquid Equilibrium (VLE).

The vapor–liquid equilibrium (VLE) describes the distribution of a chemical species between the vapor phase and a liquid phase. The concentration of vapor in contact with its liquid, especially at equilibrium, is often expressed in terms of vapor pressure, which will be a partial pressure (a part of the total gas pressure) if any other gas(es) are present with the vapor. The equilibrium vapor pressure of a liquid is in general strongly dependent on temperature. At vapor–liquid equilibrium, a liquid with individual components in certain concentrations will have an equilibrium vapor in which the concentrations or partial pressures of the vapor components have certain values depending on all of the liquid component concentrations and the temperature.

What are the Limitations of Raoult's Law.

Raoult’s law is applicable only to very dilute solutions. The second limitation is that it's applicable to solutions containing non-volatile solute only. The third limitation is that it's not applicable to solutes that dissociate or associate in the particular solution

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

Vapour Phase Mole Fraction using Raoult's Law in VLE calculator uses Mole Fraction of Component in Vapor Phase = (Mole Fraction of Component in Liquid Phase*Saturated pressure)/Total Pressure of Gas to calculate 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 calculate Vapour Phase Mole Fraction using Raoult's Law in VLE using this online calculator? To use this online calculator 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. Here is how the Vapour Phase Mole Fraction using Raoult's Law in VLE calculation can be explained with given input values -> 0.084626 = (0.51*50000)/102100.

FAQ

What is Vapour Phase Mole Fraction using Raoult's Law in VLE?

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 and is represented as y_Gas = (x_Liquid*P^sat)/P_T or Mole Fraction of Component in Vapor Phase = (Mole Fraction of Component in Liquid Phase*Saturated pressure)/Total Pressure of Gas. 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, 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 & Total pressure of Gas is the sum of all the forces that the gas molecules exert on the walls of their container.

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

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 is calculated using Mole Fraction of Component in Vapor Phase = (Mole Fraction of Component in Liquid Phase*Saturated pressure)/Total Pressure of Gas. To calculate Vapour Phase Mole Fraction using Raoult's Law in VLE, you need Mole Fraction of Component in Liquid Phase (x_Liquid), Saturated pressure (P^sat) & Total Pressure of Gas (P_T). With our tool, you need to enter the respective value for Mole Fraction of Component in Liquid Phase, Saturated pressure & Total Pressure of Gas 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 Mole Fraction of Component in Vapor Phase?

In this formula, Mole Fraction of Component in Vapor Phase uses Mole Fraction of Component in Liquid Phase, Saturated pressure & Total Pressure of Gas. We can use 2 other way(s) to calculate the same, which is/are as follows -

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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