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10.4 The Haber process and the use of NPK fertilisers

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Question 14

A 60.0 g sample of an NPK fertiliser formulation contains 15.0 g of potassium chloride, KCl. The other substances in the sample contain no potassium.

Relative atomic masses: Cl = 35.5, K = 39.

Calculate the potassium content of the whole fertiliser formulation as a mass percentage.

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10.4 The Haber process and the use of NPK fertilisers Questions

  1. GCSE
  2. /Chemistry
  3. /10.4 The Haber process and the use of NPK fertilisers

71 exam-style questions on AQA GCSE Chemistry 10.4 The Haber process and the use of NPK fertilisers, covering 10.4.1a The Haber process, 10.4.1b Equilibrium and rate in the Haber process, and 10.4.2 Production and uses of NPK fertilisers. Each one has a worked solution and a mark scheme showing where the marks go.

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