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AQA · GCSE · Chemistry · Higher

Mole ratio from equation

Q04.5 1 mark

The equation shows the reaction between magnesium carbonate and nitric acid.

MgCO_3 + 2\,HNO_3 rightarrow Mg(NO_3)_2 + H_2O + CO_2

What is the ratio of the number of moles of magnesium carbonate to the number of moles of nitric acid in the reaction? Tick one box.

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Marking points

  1. 1 Selects the magnesium carbonate:nitric acid mole ratio 1 : 2.
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