Chemistry 0620 · IGCSE · The mole and the Avogadro constant

The mole and the Avogadro constant — practice question

Carbon monoxide reacts with oxygen and forms carbon dioxide. $\text{2CO}(g) + \text{O}_2(g) \rightarrow \text{2CO}_2(g)$ What mass of carbon dioxide is made from $14\,\text{g}$ of carbon monoxide?

  • A$22\,\text{g}$
  • B$28\,\text{g}$
  • C$44\,\text{g}$
  • D$88\,\text{g}$

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