The Haber process and the use of NPK fertilisers (chemistry only)

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Question 3
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This question is about fertilisers.

a.

Ammonium sulfate is a fertiliser containing nitrogen and sulfur. Complete the sentence choosing from the options below:

hydrochloric acid** \quad \quad nitric acid \quad \quad **sulfuric acid

Ammonium sulfate is produced by reacting ammonia with __________________

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b.

Ammonium sulfate fertiliser is sold in 500 kg500\text{ kg}500 kg bags.

A farmer spreads 404040 bags of ammonium sulfate fertiliser on a field with an area of 250,000 m2250,000\text{ m}^2250,000 m2.

Calculate the mass of ammonium sulfate fertiliser spread per m2\text{m}^2m2 of land.

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c.

The chemical formula for ammonium sulfate is (NH4)2SO4(\text{NH}_4)_2\text{SO}_4(NH4​)2​SO4​.

How many atoms of hydrogen (H\text{H}H) are in one formula unit of (NH4)2SO4(\text{NH}_4)_2\text{SO}_4(NH4​)2​SO4​?

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The Haber process and the use of NPK fertilisers (chemistry only) Questions

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  2. /Chemistry
  3. /The Haber process and the use of NPK fertilisers (chemistry only)