A-LevelChemistryAtoms, molecules and stoichiometry9701/12 · Feb/Mar 2023 · Q111 Mark
Molten aluminium chloride has a simple molecular structure. Each molecule consists of two aluminium atoms and six chlorine atoms. Which statement is correct?
AAll the chlorine atoms in 1 g of molten aluminium chloride have the same mass.
BOne mole of molten aluminium chloride contains 6.02 × 10²³ aluminium atoms.
COne mole of molten aluminium chloride contains 3.61 × 10²⁴ chlorine atoms.
DThe empirical formula of molten aluminium chloride is Al2Cl6.
✓ Correct answer
C: One mole of molten aluminium chloride contains 3.61 × 10²⁴ chlorine atoms.
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