Reacting Masses (AQA A-Level Chemistry): Quizzes

How much reactant needed or product formed

$\text{Moles} = \frac{\text{Mass}}{M_r}$

Calculate moles of given substance

Relative molecular or formula mass

$\text{Mass} = \text{Moles} \times M_r$

18 g/mol

1:2

8 g

100 g/mol

2 g