Mole Fraction - Formative Assessment & Quiz

Interactive Course Summary

Mole Fraction ($X$) and Partial Pressure Calculations — Mole fraction ($X_i$) is an independent, dimensionless ratio defined as the moles of target component $i$ divided by the summation of all moles within a multi-component system ($X_i = \frac{n_i}{n_{\text{total}}}$). This concentration unit is critical for calculating partial gas pressures and Raoult's Law vapor pressure variations.