Combined Science GCSE
Mole ratio
What Mole ratio means in Combined Science GCSE, as defined for AQA.
Definitions of Mole ratio
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Reference: AQA
The ratio of amounts in moles, read from the coefficients of a balanced equation and applied to the substance whose mass is required.
Ratio of the amounts in moles of reactants and products, which simplifies to the simplest whole-number ratio.
The ratio given by the balanced equation that is needed to compare the amounts of reactants actually present.
The ratio of amounts in moles given by the balancing numbers in the balanced symbol equation.
Topics that use Mole ratio
- Amounts of substances in equations (HT only) (AQA GCSE)
- Limiting reactants (HT only) (AQA GCSE)
- Using moles to balance equations (HT only) (AQA GCSE)
Related terms
- Balanced symbol equation
- Conservation of mass
- Limiting reactant
- Relative formula mass
- Balancing numbers
- Mass in grams
- mole
- Mole calculations
Using Mole ratio in the exam
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