GCSE Chemistry · key term

Equation mass

Definition

The mass represented by a substance in a balanced equation, calculated as its coefficient multiplied by its $M_r$ .

Used by AQA

Specification 4.3.2.2 · Paper 1

1
Include the coefficient when finding an equation mass: for example, $3\text{Cl}_2$ has an equation mass of $3 \times 71$ , not $71$ .

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GCSE Chemistry · key term

The mass represented by a substance in a balanced equation, calculated as its coefficient multiplied by its $M_r$ .

Used by AQA

Specification 4.3.2.2 · Paper 1

1
Include the coefficient when finding an equation mass: for example, $3\text{Cl}_2$ has an equation mass of $3 \times 71$ , not $71$ .

Create a free account to read GCSE Chemistry revision notes for your exam board and track your progress.