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9.1 The composition and evolution of the Earth's atmosphere

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Question 3

A dry air sample from a sealed storage chamber has a volume of 7500 cm3. Carbon dioxide makes up 0.040% of the sample by volume.

What volume of carbon dioxide is in the sample?

[1]
A

300 cm3300\ \text{cm}^3300 cm3

B

0.3 cm30.3\ \text{cm}^30.3 cm3

C

30 cm330\ \text{cm}^330 cm3

D

3 cm33\ \text{cm}^33 cm3

Markscheme

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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