Mole Fraction Calculator

Mole Fraction(Xi) = Moles oƒ SoluteMoles oƒ Solute + Moles oƒ Solvent 

Enter the unknown value as ‘x’

Moles of Solute(i) =

Moles of Solvent =

Mole Fraction(Xi) =

x =


Mole Fraction Calculator is a free online tool that displays the mole fraction for the given chemical component. BYJU’S online mole fraction calculator tool makes the calculation faster, and it calculates the mole fraction of a component in a fraction of seconds.

How to Use the Mole Fraction Calculator?

The procedure to use the mole fraction calculator is as follows:

Step 1: Enter the moles of solute, solvent and x for the unknown in the respective input field

Step 2: Now click the button “Calculate x” to get the result 

Step 3: Finally, the mole fraction of the chemical component will be displayed in the output field

What is Meant by Mole Fraction?

In chemistry, a mole fraction is a concentration unit which is used to express the concentration of a chemical component. The mole fraction can be calculated by dividing the number of moles of one component of a solution by the total number of moles of all the components of a solution. It is noted that the sum of the mole fraction of all the components in the solution should be equal to 1. 

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