🧪 Chemistry
Mole Fraction Calculator
Calculate mole fraction of component A in a binary mixture.
Result
—
Formula
χA = nA ÷ (nA + nB)
How to use it
Enter the known values, keep units consistent, and select Calculate. The result is rounded for readability.
Important note
This educational calculator uses a standard simplified relationship. Laboratory, clinical, engineering, and research decisions may require additional variables, calibrated equipment, and professional review.