Chemistry 9701 · AS & A Level · 1.1

1.1 — practice question

Which substance contains $9.03 \times 10^{23}$ oxygen atoms?

  • A$0.25\,\mathrm{mol}$ aluminium oxide
  • B$0.75\,\mathrm{mol}$ sulfur dioxide
  • C$1.5\,\mathrm{mol}$ sulfur trioxide
  • D$3.0\,\mathrm{mol}$ water

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