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National Institute of Technology, Meghalaya (NIT), Meghalaya
Prerana Bakli has created this Calculator and 500+ more calculators!
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Mole Fraction of solute in terms of Vapour Pressure Solution

STEP 0: Pre-Calculation Summary
Formula Used
mole_fraction_solute = (Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)/Vapour Pressure of Pure Solvent
x1 = (PoA-PA)/PoA
This formula uses 2 Variables
Variables Used
Vapour Pressure of Pure Solvent - The Vapour Pressure of Pure Solvent is the vapour pressure of solvent prior to addition of solute. (Measured in Pascal)
Vapour Pressure of Solvent in Solution - The Vapour Pressure of Solvent in Solution is the vapour pressure of solvent post addition of solute. (Measured in Pascal)
STEP 1: Convert Input(s) to Base Unit
Vapour Pressure of Pure Solvent: 20000 Pascal --> 20000 Pascal No Conversion Required
Vapour Pressure of Solvent in Solution: 15000 Pascal --> 15000 Pascal No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
x1 = (PoA-PA)/PoA --> (20000-15000)/20000
Evaluating ... ...
x1 = 0.25
STEP 3: Convert Result to Output's Unit
0.25 --> No Conversion Required
FINAL ANSWER
0.25 <-- Mole Fraction Of Solute
(Calculation completed in 00.016 seconds)

10+ Relative Lowering of Vapour Pressure Calculators

Molecular Mass of solute using Relative Lowering Of Vapour Pressure
molecular_mass_solute = (Weight of solute*Molecular Mass Solvent*Vapour Pressure of Pure Solvent)/((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*Weight of solvent) Go
Weight of solvent using Relative Lowering Of Vapour Pressure
weight_of_solvent = (Vapour Pressure of Pure Solvent*Weight of solute*Molecular Mass Solvent)/((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*Molecular Mass Solute) Go
Weight of solute using Relative Lowering Of Vapour Pressure
weight_of_solute = ((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*Weight of solvent*Molecular Mass Solute)/(Vapour Pressure of Pure Solvent*Molecular Mass Solvent) Go
Moles of solvent in dilute solution using Relative Lowering Of Vapour Pressure
number_of_moles_of_solvent = (Number of Moles of Solute*Vapour Pressure of Pure Solvent)/(Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution) Go
Moles of solute in dilute solution using Relative Lowering Of Vapour Pressure
number_of_moles_of_solute = ((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*Number of Moles of Solvent)/Vapour Pressure of Pure Solvent Go
Molecular Mass of solvent using Relative Lowering Of Vapour Pressure
molecular_mass_solvent = ((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*1000)/(Molality*Vapour Pressure of Pure Solvent) Go
Molality using Relative Lowering Of Vapour Pressure
molality = ((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*1000)/(Molecular Mass Solvent*Vapour Pressure of Pure Solvent) Go
Relative Lowering Of Vapour Pressure
relative_lowering_of_vapour_pressure = (Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)/Vapour Pressure of Pure Solvent Go
Mole Fraction of solute in terms of Vapour Pressure
mole_fraction_solute = (Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)/Vapour Pressure of Pure Solvent Go
Mole Fraction of solvent in terms of Vapour Pressure
mole_fraction_solvent = Vapour Pressure of Solvent in Solution/Vapour Pressure of Pure Solvent Go

Mole Fraction of solute in terms of Vapour Pressure Formula

mole_fraction_solute = (Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)/Vapour Pressure of Pure Solvent
x1 = (PoA-PA)/PoA

What causes the Relative Lowering Of Vapour Pressure?

This lowering in vapour pressure is due to the fact that after the solute was added to the pure liquid (solvent), the liquid surface now had molecules of both, the pure liquid and the solute. The number of solvent molecules escaping into vapour phase gets reduced and as a result the pressure exerted by the vapour phase is also reduced. This is known as relative lowering of vapour pressure. This decrease in vapour pressure depends on the amount of non-volatile solute added in the solution irrespective of its nature and hence it is one of the colligative properties.

How to Calculate Mole Fraction of solute in terms of Vapour Pressure?

Mole Fraction of solute in terms of Vapour Pressure calculator uses mole_fraction_solute = (Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)/Vapour Pressure of Pure Solvent to calculate the Mole Fraction Of Solute, The Mole Fraction of solute in terms of Vapour Pressure is defined as the number of molecules of a solute divided by the total number of all molecules. Mole Fraction Of Solute is denoted by x1 symbol.

How to calculate Mole Fraction of solute in terms of Vapour Pressure using this online calculator? To use this online calculator for Mole Fraction of solute in terms of Vapour Pressure, enter Vapour Pressure of Pure Solvent (PoA) & Vapour Pressure of Solvent in Solution (PA) and hit the calculate button. Here is how the Mole Fraction of solute in terms of Vapour Pressure calculation can be explained with given input values -> 0.25 = (20000-15000)/20000.

FAQ

What is Mole Fraction of solute in terms of Vapour Pressure?
The Mole Fraction of solute in terms of Vapour Pressure is defined as the number of molecules of a solute divided by the total number of all molecules and is represented as x1 = (PoA-PA)/PoA or mole_fraction_solute = (Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)/Vapour Pressure of Pure Solvent. The Vapour Pressure of Pure Solvent is the vapour pressure of solvent prior to addition of solute & The Vapour Pressure of Solvent in Solution is the vapour pressure of solvent post addition of solute.
How to calculate Mole Fraction of solute in terms of Vapour Pressure?
The Mole Fraction of solute in terms of Vapour Pressure is defined as the number of molecules of a solute divided by the total number of all molecules is calculated using mole_fraction_solute = (Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)/Vapour Pressure of Pure Solvent. To calculate Mole Fraction of solute in terms of Vapour Pressure, you need Vapour Pressure of Pure Solvent (PoA) & Vapour Pressure of Solvent in Solution (PA). With our tool, you need to enter the respective value for Vapour Pressure of Pure Solvent & Vapour Pressure of Solvent in Solution 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 Solute?
In this formula, Mole Fraction Of Solute uses Vapour Pressure of Pure Solvent & Vapour Pressure of Solvent in Solution. We can use 10 other way(s) to calculate the same, which is/are as follows -
  • relative_lowering_of_vapour_pressure = (Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)/Vapour Pressure of Pure Solvent
  • mole_fraction_solute = (Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)/Vapour Pressure of Pure Solvent
  • mole_fraction_solvent = Vapour Pressure of Solvent in Solution/Vapour Pressure of Pure Solvent
  • molecular_mass_solvent = ((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*1000)/(Molality*Vapour Pressure of Pure Solvent)
  • molality = ((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*1000)/(Molecular Mass Solvent*Vapour Pressure of Pure Solvent)
  • molecular_mass_solute = (Weight of solute*Molecular Mass Solvent*Vapour Pressure of Pure Solvent)/((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*Weight of solvent)
  • weight_of_solute = ((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*Weight of solvent*Molecular Mass Solute)/(Vapour Pressure of Pure Solvent*Molecular Mass Solvent)
  • weight_of_solvent = (Vapour Pressure of Pure Solvent*Weight of solute*Molecular Mass Solvent)/((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*Molecular Mass Solute)
  • number_of_moles_of_solute = ((Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)*Number of Moles of Solvent)/Vapour Pressure of Pure Solvent
  • number_of_moles_of_solvent = (Number of Moles of Solute*Vapour Pressure of Pure Solvent)/(Vapour Pressure of Pure Solvent-Vapour Pressure of Solvent in Solution)
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