Chemistry
Instant, private, and free
Mole Fraction Calculator.
Calculate component mole fractions for a two-component mixture.
On-device calculationNo signup
01
Set your values
Results update as you type.
02 / ANSWER
Mole fraction A: 0.25
Mole fraction B: 0.75
Educational arithmetic only. Keep units consistent and use measured or explicitly supplied chemistry inputs; this tool does not infer reaction pathways, property tables, or safety guidance.
FAQs
How does the mole fraction calculator work?
Calculate component mole fractions for a two-component mixture.