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Calculations involving masses

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Question 8

Magnesium nitrate contains magnesium ions and nitrate ions.

Calculate the relative formula mass ( $M_r$ ) of magnesium nitrate, $Mg(NO3)2\text{Mg}(\text{NO}_3)_2$ .

Relative atomic masses ( $M_r$ ):

$Mg=24\text{Mg} = 24$
$N=14\text{N} = 14$
$O=16\text{O} = 16$

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Calculations involving masses Questions

GCSE
Chemistry
Calculations involving masses