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

Atoms, molecules and stoichiometry — practice question

What mass of urea, $\text{CO(NH}_2\text{)}_2$, has the same nitrogen mass as $101.1\,\text{g}$ of potassium nitrate?

  • A$22\,\text{g}$
  • B$30\,\text{g}$
  • C$44\,\text{g}$
  • D$60\,\text{g}$

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