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Chemistry · May / June 2024 · Paper 11 · Question 8

5070The mole and the Avogadro constant

How many ions are there in 16.0 g of anhydrous copper sulfate?

  1. A$1.20 \times 10^{23}$
  2. B$3.61 \times 10^{23}$
  3. C$1.20 \times 10^{24}$
  4. D$3.61 \times 10^{24}$

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Correct answer: A. $1.20 \times 10^{23}$

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