Chemistry 5070 · O Level · The mole and the Avogadro constant

The mole and the Avogadro constant — practice question

Which sample has the greatest number of atoms?

  • A$0.5\,\text{mol}$ of water
  • B$1.0\,\text{mol}$ of carbon dioxide
  • C$1.0\,\text{mol}$ of methane
  • D$2.0\,\text{mol}$ of hydrogen chloride

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