Chemistry 0620 · IGCSE · Formulae

Formulae — practice question

An analysis of a compound made from magnesium and nitrogen found that it contained $14.4\,\text{g}$ of magnesium and $5.6\,\text{g}$ of nitrogen. Determine the empirical formula of the compound.

  • A$\text{Mg}_2\text{N}_3$
  • B$\text{Mg}_3\text{N}_2$
  • C$\text{Mg}_4\text{N}_6$
  • D$\text{Mg}_6\text{N}_4$

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