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

Atoms, molecules and stoichiometry — practice question

The Data Booklet is needed for this question. A chemist used $2.00\,\text{dm}^3$ of nitrogen gas, measured under room conditions, and made it react with a large volume of hydrogen gas to produce ammonia. Only $15.0\%$ of the nitrogen gas reacted to form ammonia. What mass of ammonia was formed?

  • A$0.213\,\text{g}$
  • B$0.425\,\text{g}$
  • C$1.42\,\text{g}$
  • D$2.83\,\text{g}$

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