Chemistry 9701 · AS & A Level · Atoms, molecules and stoichiometry

Atoms, molecules and stoichiometry — practice question

When $3.00\,\text{g}$ of an anhydrous nitrate of a Group II metal undergoes decomposition, $1.53\,\text{g}$ of gas is evolved. What is the nitrate compound?

Aberyllium nitrate
Bcalcium nitrate
Cmagnesium nitrate
Dstrontium nitrate

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