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Introducing chemical reactions

Introducing chemical reactions

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Question 15

What is the relative formula mass of aluminium sulfate, $Al2(SO4)3\text{Al}_2(\text{SO}_4)_3$ ?

Relative atomic mass ( $ArA_{\text{r}}$ ): $Al=27.0\text{Al} = 27.0$ $S=32.1\text{S} = 32.1$ $O=16.0\text{O} = 16.0$

A

$S=32.1\text{S} = 32.1$

B

$278.1$

C

$315.3$

D

$342.3$

Markscheme

Introducing chemical reactions Questions

GCSE
Chemistry
Introducing chemical reactions

55 exam-style questions on OCR GCSE Chemistry Introducing chemical reactions. Each one has a worked solution and a mark scheme showing where the marks go.

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