Chemistry 0620 · IGCSE · The mole and the Avogadro constant

The mole and the Avogadro constant — practice question

The structure of ethene is shown. How many hydrogen atoms and how many carbon atoms does 1 mole of ethene contain?

  • Ahydrogen atoms $2.4 \times 10^{24}$, carbon atoms $1.2 \times 10^{24}$
  • Bhydrogen atoms $2.4 \times 10^{24}$, carbon atoms $6.0 \times 10^{23}$
  • Chydrogen atoms $6.0 \times 10^{23}$, carbon atoms $1.2 \times 10^{22}$
  • Dhydrogen atoms $6.0 \times 10^{23}$, carbon atoms $6.0 \times 10^{23}$

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