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

Atoms, molecules and stoichiometry — practice question

Which fertiliser has the highest percentage of nitrogen by mass?

  • Aammonium nitrate, $\text{NH}_4\text{NO}_3$
  • Bammonium sulfate, $(\text{NH}_4)_2\text{SO}_4$
  • Cdiammonium hydrogen phosphate, $(\text{NH}_4)_2\text{HPO}_4$
  • Durea, $\text{CO(\text{NH}_2)}_2$

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