Mole Fraction

Mole Fraction

### Formula:

$$X_A=\frac{n_A}{n_A+n_B}$$

### Terminologies:

- $$X_A$$ → Mole fraction of component A.

- $$n_A$$ → Number of moles of component A.

- $$n_B$$ → Number of moles of component B.

- Mole Fraction → Ratio of moles of one component to total moles of all components.

### Usage:

- Used to express relative amount of a component in a mixture.