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Mole Fraction of Solute is the ration of the number of moles of the solute to the total number of moles of the solute and solvent. Check FAQs
xsolute=mMsolvent1000+mMsolvent
xsolute - Mole Fraction of Solute?m - Molality?Msolvent - Molar Mass of Solvent?

Mole Fraction using Molality Example

With values
With units
Only example

Here is how the Mole Fraction using Molality equation looks like with Values.

Here is how the Mole Fraction using Molality equation looks like with Units.

Here is how the Mole Fraction using Molality equation looks like.

8.5E-7Edit=0.034Edit25Edit1000+0.034Edit25Edit
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Mole Fraction using Molality Solution

Follow our step by step solution on how to calculate Mole Fraction using Molality?

FIRST Step Consider the formula
xsolute=mMsolvent1000+mMsolvent
Next Step Substitute values of Variables
xsolute=0.034mol/kg25g1000+0.034mol/kg25g
Next Step Convert Units
xsolute=0.034mol/kg0.025kg1000+0.034mol/kg0.025kg
Next Step Prepare to Evaluate
xsolute=0.0340.0251000+0.0340.025
Next Step Evaluate
xsolute=8.49999277500614E-07
LAST Step Rounding Answer
xsolute=8.5E-7

Mole Fraction using Molality Formula Elements

Variables
Mole Fraction of Solute
Mole Fraction of Solute is the ration of the number of moles of the solute to the total number of moles of the solute and solvent.
Symbol: xsolute
Measurement: NAUnit: Unitless
Note: Value can be positive or negative.
Molality
Molality is defined as the total number of moles of solute per kilograms of solvent present in the solution.
Symbol: m
Measurement: MolalityUnit: mol/kg
Note: Value can be positive or negative.
Molar Mass of Solvent
The Molar Mass of Solvent is the molar mass of the medium in which the solute is dissolved.
Symbol: Msolvent
Measurement: WeightUnit: g
Note: Value can be positive or negative.

Other Formulas to find Mole Fraction of Solute

​Go Mole Fraction of Solute
xsolute=NsoluteNsolute+Nsolvent
​Go Mole Fraction using Molarity
xsolute=MolMsolvent10001000ρM1

Other formulas in Concentration Terms category

​Go Mass of Solvent using Molality
msolvent=nm
​Go Mole Fraction of Solvent given Molality
x2=10001000+(mMsolvent)
​Go Mole Fraction of Solute given Molarity
xSoluteM=MolMsolvent1000(ρsol1000)-(MolM1)
​Go Mole Fraction of Component 1 in Binary Solution
x1=n1n1+n2

How to Evaluate Mole Fraction using Molality?

Mole Fraction using Molality evaluator uses Mole Fraction of Solute = (Molality*Molar Mass of Solvent)/(1000+Molality*Molar Mass of Solvent) to evaluate the Mole Fraction of Solute, The Mole Fraction using Molality formula is defined as the ration of the number of moles of the solute to the total number of moles of solute and solvent. Mole Fraction of Solute is denoted by xsolute symbol.

How to evaluate Mole Fraction using Molality using this online evaluator? To use this online evaluator for Mole Fraction using Molality, enter Molality (m) & Molar Mass of Solvent (Msolvent) and hit the calculate button.

FAQs on Mole Fraction using Molality

What is the formula to find Mole Fraction using Molality?
The formula of Mole Fraction using Molality is expressed as Mole Fraction of Solute = (Molality*Molar Mass of Solvent)/(1000+Molality*Molar Mass of Solvent). Here is an example- 8.5E-7 = (0.034*0.025)/(1000+0.034*0.025).
How to calculate Mole Fraction using Molality?
With Molality (m) & Molar Mass of Solvent (Msolvent) we can find Mole Fraction using Molality using the formula - Mole Fraction of Solute = (Molality*Molar Mass of Solvent)/(1000+Molality*Molar Mass of Solvent).
What are the other ways to Calculate Mole Fraction of Solute?
Here are the different ways to Calculate Mole Fraction of Solute-
  • Mole Fraction of Solute=Number of Moles of Solute in Solution/(Number of Moles of Solute in Solution+Number of Moles of Solvent in Solution)OpenImg
  • Mole Fraction of Solute=(Molarity*Molar Mass of Solvent*1000)/(1000*Density of water*Molar Mass of Solute)OpenImg
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