Chemistry A-Level
Mole fraction
What Mole fraction means in Chemistry A-Level, as defined for OCR.
Definition of Mole fraction
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Reference: OCR
The number of moles of a component divided by the total number of moles of all components present, with the fractions in a mixture summing to 1.
Topics that use Mole fraction
- How far? (OCR A-Level)
Related terms
- Constant temperature and constant titre
- Conversion between moles, concentration and partial pressure
- Determination of units by unit cancellation
- Effect of temperature on equilibrium position
- Equilibrium constant
- Equilibrium constant expressions for Kc and Kp
- Equilibrium constant Kc
- Equilibrium expressions from balanced equations
Using Mole fraction in the exam
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