Chemistry 9701 · AS & A Level · States of matter

States of matter — practice question

The Data Booklet is needed for this question. The gas laws may be represented by the ideal gas equation, $pV = nRT$. A mass of $0.96\,\text{g}$ of oxygen gas is held in a glass vessel with volume $7000\,\text{cm}^3$ at a temperature of $30^\circ\text{C}$. Determine the pressure inside the vessel.

  • A$1.1\,\text{kPa}$
  • B$2.1\,\text{kPa}$
  • C$10.8\,\text{kPa}$
  • D$21.6\,\text{kPa}$

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