Mole fraction

Mole fraction: use component amount, total amount. Review the formula, worked example and calculation steps.

Inputs

Use the units shown
RESULT
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Enter your values and select Calculate.

Formula & explanation
x = component moles/total moles

Variables & units

Component amount
mol · minimum 0, maximum 1000000000000
Total amount
mol · minimum 5e-324, maximum 1000000000000

Worked example

Use the displayed example inputs, then follow the substituted values in the solution.

Assumptions

All mixture components must be included in the total.

References

Formula version 1.0.0. JavaScript floating-point arithmetic applies. Results display up to 6 decimal places; stored values retain available precision. Use the units shown.

Practice with an example

Use the default input values to find the answer. The reset icon restores those values.

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