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Mole fraction (χ) = moles of component / total moles; used in colligative properties, partial pressure, solution equilibria.

Водич корак по корак

  1. 1Input moles of each component
  2. 2Calculate mole fraction of each
  3. 3Apply in Raoult's law, Henry's law, etc.

Worked Examples

Инпут
Solution: 1 mol ethanol, 4 mol water
Резултат
χ_ethanol = 0.2, χ_water = 0.8

Common Mistakes to Avoid

  • Confusing mass and mole percentages
  • Not summing to 1.0 for all components

Frequently Asked Questions

How does mole fraction differ from mass fraction?

Mole: counted particles; mass: weighs compounds; related by molar mass.

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