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Chemistry

Mole fraction of a mixture calculator

Fraction of the total moles in a mixture contributed by each component.

What this calculator does

Mole fraction of a mixture works out fraction of the total moles in a mixture contributed by each component. Enter your own figures above and the answer updates as you type: nothing is fixed in the code, so the result reflects exactly the numbers you supply.

The formula this calculator evaluates is printed under the tool and explained below, so you can check the working by hand or reuse it in a spreadsheet.

The formula

FormulaXᵢ = nᵢ / (n₁ + n₂ + … + nₖ)

The inputs explained

FieldWhat to enter
Moles of each component (comma-separated)A list of numbers, separated by commas or spaces.