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

Atoms, molecules and stoichiometry — practice question

A sample of anhydrous Group 2 metal nitrate, Z, with mass $4.00\,\text{g}$ is heated strongly until its mass no longer changes. A solid residue of mass $1.37\,\text{g}$ is obtained. Which metal is present in Z?

  • Abarium
  • Bcalcium
  • Cmagnesium
  • Dstrontium

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI