Chemistry 9701 · AS & A Level · States of matter

States of matter — practice question

A vessel has a volume of $1.20 \times 10^{-3}\,\text{m}^3$. Inside it is pure argon at a pressure of $1.00 \times 10^5\,\text{Pa}$ and a temperature of $25.0\,^{\circ}\text{C}$. For these conditions, argon may be assumed to behave as an ideal gas. What mass of argon is present?

  • A$0.0485\,\text{g}$
  • B$1.93\,\text{g}$
  • C$10.4\,\text{g}$
  • D$23.0\,\text{g}$

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