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Mole Fraction of A in Liquid in Raoult's Law Formula

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The Mole Fraction of Component A in Liquid Phase refers to the mole fraction of component A which is in the liquid phase. Check FAQs

x A = \frac{p partial}{P A °}

x_A - Mole Fraction of Component A in Liquid Phase?p_partial - Partial Pressure?P_A° - Vapor Pressure of Pure Component A?

Mole Fraction of A in Liquid in Raoult's Law Example

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Here is how the Mole Fraction of A in Liquid in Raoult's Law equation looks like with Values.

Here is how the Mole Fraction of A in Liquid in Raoult's Law equation looks like with Units.

Here is how the Mole Fraction of A in Liquid in Raoult's Law equation looks like.

0.2 = \frac{7.5}{37.5}

0.2 = \frac{7.5Pa}{37.5Pa}

0.2 = \frac{7.5}{37.5}

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Gibb's Phase Rule » fx Mole Fraction of A in Liquid in Raoult's Law

Mole Fraction of A in Liquid in Raoult's Law Solution

Follow our step by step solution on how to calculate Mole Fraction of A in Liquid in Raoult's Law?

FIRST Step Consider the formula

x A = \frac{p partial}{P A °}

Next Step Substitute values of Variables

∴

x A = \frac{7.5Pa}{37.5Pa}

Next Step Prepare to Evaluate

∴

x A = \frac{7.5}{37.5}

LAST Step Evaluate

∴

x A = 0.2

Mole Fraction of A in Liquid in Raoult's Law Formula Elements

Variables

Mole Fraction of Component A in Liquid Phase

The Mole Fraction of Component A in Liquid Phase refers to the mole fraction of component A which is in the liquid phase.

Symbol: x_A

Measurement: NAUnit: Unitless

Note: Value should be greater than 0.

Formulas to find Mole Fraction of Component A in Liquid Phase

Partial Pressure

Partial Pressure is the notional pressure of that constituent gas if it alone occupied the entire volume of the original mixture at the same temperature.

Symbol: p_partial

Measurement: PressureUnit: Pa

Note: Value can be positive or negative.

Formulas to find Partial Pressure

Vapor Pressure of Pure Component A

Vapor Pressure of Pure Component A is the pressure exerted by a liquid or solid molecules of only A in a closed system in which they are in equilibrium with the vapour phase.

Symbol: P_A°

Measurement: PressureUnit: Pa

Note: Value can be positive or negative.

Formulas to find Vapor Pressure of Pure Component A

Other formulas in Gibb's Phase Rule category

Go Number of Phases in Equilibrium for Non-Reactive Systems

P = C - F + 2

Go Molal Liquid Volume given rate of pressure change

v = V m - (\frac{∆T \cdot ΔH v}{ΔP \cdot T abs})

How to Evaluate Mole Fraction of A in Liquid in Raoult's Law?

Mole Fraction of A in Liquid in Raoult's Law evaluator uses Mole Fraction of Component A in Liquid Phase = Partial Pressure/Vapor Pressure of Pure Component A to evaluate the Mole Fraction of Component A in Liquid Phase, The Mole Fraction of A in Liquid in Raoult's Law formula refers to the mole fraction of component A in the liquid phase. Mole Fraction of Component A in Liquid Phase is denoted by x_A symbol.

How to evaluate Mole Fraction of A in Liquid in Raoult's Law using this online evaluator? To use this online evaluator for Mole Fraction of A in Liquid in Raoult's Law, enter Partial Pressure (p_partial) & Vapor Pressure of Pure Component A (P_A°) and hit the calculate button.

FAQs on Mole Fraction of A in Liquid in Raoult's Law

What is the formula to find Mole Fraction of A in Liquid in Raoult's Law?

The formula of Mole Fraction of A in Liquid in Raoult's Law is expressed as Mole Fraction of Component A in Liquid Phase = Partial Pressure/Vapor Pressure of Pure Component A. Here is an example- 0.002778 = 7.5/37.5.

How to calculate Mole Fraction of A in Liquid in Raoult's Law?

With Partial Pressure (p_partial) & Vapor Pressure of Pure Component A (P_A°) we can find Mole Fraction of A in Liquid in Raoult's Law using the formula - Mole Fraction of Component A in Liquid Phase = Partial Pressure/Vapor Pressure of Pure Component A.

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