Chemistry 0620 · IGCSE · The mole and the Avogadro constant

The mole and the Avogadro constant — practice question

Magnesium chloride, $\text{MgCl}_2$, consists of magnesium ions and chloride ions. How many chloride ions are present in two moles of magnesium chloride?

  • A$6.02 \times 10^{23}$
  • B$1.204 \times 10^{24}$
  • C$2.408 \times 10^{24}$
  • D$3.612 \times 10^{24}$

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