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Chemistry · May / June 2018 · Paper 11 · Question 11

5070The mole and the Avogadro constant

Two characteristics of a gas, G, are given. ● G reduces copper(II) oxide to a pink-brown solid. ● 1.4 g of G has a volume of 1.2 dm3 at room temperature and pressure. What is G?

  1. Acarbon monoxide, CO
  2. Bhydrogen, H2
  3. Cnitrogen, N2
  4. Dnitrogen monoxide, NO

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Correct answer: A. carbon monoxide, CO

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