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9.1 The composition and evolution of the Earth's atmosphere

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Question 25

A sealed laboratory vessel contains clean, dry air. The nitrogen in the vessel has a volume of 6.4 dm3.

Nitrogen makes up approximately 80% of clean, dry air.

Carbon dioxide makes up 0.040% of clean, dry air.

What volume of carbon dioxide is present in the vessel?

Give your answer in cm3\text{cm}^3cm3.

1 dm3=1000 cm31\ \text{dm}^3 = 1000\ \text{cm}^31 dm3=1000 cm3

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9.1 The composition and evolution of the Earth's atmosphere Questions

  1. GCSE
  2. /Chemistry
  3. /9.1 The composition and evolution of the Earth's atmosphere

79 exam-style questions on AQA GCSE Chemistry 9.1 The composition and evolution of the Earth's atmosphere, covering 9.1.1 The proportions of different gases in the atmosphere, 9.1.2 The Earth's early atmosphere, 9.1.3 How oxygen increased, and 9.1.4 How carbon dioxide decreased. Each one has a worked solution and a mark scheme showing where the marks go.

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