Pressure using K-value Expression for Raoult's Law Solution

STEP 0: Pre-Calculation Summary
Formula Used
Total Pressure of Gas = Saturated Pressure in Raoults Law/K value
PT = PSaturated/K
This formula uses 3 Variables
Variables Used
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.
Saturated Pressure in Raoults Law - (Measured in Pascal) - Saturated Pressure in Raoults Law 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.
K value - K value is defined as the ratio of vapor-phase mole fraction to the liquid phase mole fraction.
STEP 1: Convert Input(s) to Base Unit
Saturated Pressure in Raoults Law: 200 Pascal --> 200 Pascal No Conversion Required
K value: 0.85 --> No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
PT = PSaturated/K --> 200/0.85
Evaluating ... ...
PT = 235.294117647059
STEP 3: Convert Result to Output's Unit
235.294117647059 Pascal --> No Conversion Required
FINAL ANSWER
235.294117647059 235.2941 Pascal <-- Total Pressure of Gas
(Calculation completed in 00.020 seconds)

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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

Pressure using K-value Expression for Raoult's Law Formula

​LaTeX ​Go
Total Pressure of Gas = Saturated Pressure in Raoults Law/K value
PT = PSaturated/K

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 Pressure using K-value Expression for Raoult's Law?

Pressure using K-value Expression for Raoult's Law calculator uses Total Pressure of Gas = Saturated Pressure in Raoults Law/K value to calculate the Total Pressure of Gas, The Pressure using K-value expression for Raoult's Law formula is defined as the ratio of the saturated pressure of that component to the K-value of that component. Total Pressure of Gas is denoted by PT symbol.

How to calculate Pressure using K-value Expression for Raoult's Law using this online calculator? To use this online calculator for Pressure using K-value Expression for Raoult's Law, enter Saturated Pressure in Raoults Law (PSaturated) & K value (K) and hit the calculate button. Here is how the Pressure using K-value Expression for Raoult's Law calculation can be explained with given input values -> 235.2941 = 200/0.85.

FAQ

What is Pressure using K-value Expression for Raoult's Law?
The Pressure using K-value expression for Raoult's Law formula is defined as the ratio of the saturated pressure of that component to the K-value of that component and is represented as PT = PSaturated/K or Total Pressure of Gas = Saturated Pressure in Raoults Law/K value. Saturated Pressure in Raoults Law 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 & K value is defined as the ratio of vapor-phase mole fraction to the liquid phase mole fraction.
How to calculate Pressure using K-value Expression for Raoult's Law?
The Pressure using K-value expression for Raoult's Law formula is defined as the ratio of the saturated pressure of that component to the K-value of that component is calculated using Total Pressure of Gas = Saturated Pressure in Raoults Law/K value. To calculate Pressure using K-value Expression for Raoult's Law, you need Saturated Pressure in Raoults Law (PSaturated) & K value (K). With our tool, you need to enter the respective value for Saturated Pressure in Raoults Law & K value 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 Total Pressure of Gas?
In this formula, Total Pressure of Gas uses Saturated Pressure in Raoults Law & K value. We can use 3 other way(s) to calculate the same, which is/are as follows -
  • Total Pressure of Gas = (Activity Coefficient in Raoults Law*Saturated Pressure in Gamma-Phi Formulation)/(K value*Fugacity Coefficient in Raoults Law)
  • Total Pressure of Gas = (Activity Coefficient in Raoults Law*Saturated Pressure in Raoults Law)/K value
  • Total Pressure of Gas = (Mole Fraction of Component in Liquid Phase*Activity Coefficient*Saturated pressure)/(Mole Fraction of Component in Vapor Phase*Fugacity Coefficient)
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