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Reacting mass — OCR GCSE Chemistry B Definition | GradeGen

Home
Chemistry
Key terms
Reacting mass

GCSE Chemistry · key term

Reacting mass

Definition

The calculated amount of reactant needed or product formed when the reacting quantities follow a balanced equation.

Used by OCR

How each exam board covers it

OCR GCSE Chemistry B · J258

Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)

Revise: Calculations from equations

OCR Chemistry B past papers

Related key terms

Balanced equation
Coefficient
Mole
Mole ratio
Relative formula mass (Mᵣ)

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