Chemistry A-Level
Mole-ratio calculations from balanced equations
What Mole-ratio calculations from balanced equations means in Chemistry A-Level, as defined for OCR.
Definition of Mole-ratio calculations from balanced equations
Check what you remember
Read the wording for your board, then hide it and explain Mole-ratio calculations from balanced equations in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
The balanced equation is used to establish the mole ratio, for example five moles of Fe²⁺ react with one mole of MnO₄⁻, before calculating concentration.
Topics that use Mole-ratio calculations from balanced equations
- Redox and electrode potentials (OCR A-Level)
Related terms
- Applying familiar redox method to unfamiliar systems
- Concentration effects
- Dynamic equilibrium at electrodes
- Electrode potential and equilibrium
- Electron transfer
- Electron transfer in redox
- feasibility prediction
- Fuel cell
Using Mole-ratio calculations from balanced equations in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Chemistry questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Chemistry A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge