CAIE A Level Chemistry 9701 · Atoms, molecules and stoichiometry
The mole is sometimes described as a counting unit, in the same way as a dozen. A student writes: 'A mole is just a large number: one mole of any substance contains particles.'
Suggest two ways in which this statement is correct and two ways in which it is misleading.
4 marks, so the mark scheme is looking for about 4 separate creditworthy points. Making the same point twice in different words earns it once.
Suggest means: Apply what you know to an unfamiliar situation. There may be more than one acceptable answer. Reason from the principle you have learned to the new context, and say which principle you are using.
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