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Introducing chemical reactions

Introducing chemical reactions

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Question 39

The formula of magnesium nitrate is $Mg(NO3)2\text{Mg(NO}_3)_2$ .

What is the relative formula mass of magnesium nitrate? ( $ArA_{\text{r}}$ : $Mg=24\text{Mg} = 24$ , $N=14\text{N} = 14$ , $O=16\text{O} = 16$ )

A

$86$

B

$100$

C

$148$

D

$172$

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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