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3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations

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Question 12
F

A student measured the volume of a gas three times and obtained 31 cm3, 34 cm3 and 33 cm3. What is the mean volume of the gas?

[1]
A

31.0 cm331.0\ \text{cm}^331.0 cm3

B

32.0 cm332.0\ \text{cm}^332.0 cm3

C

32.7 cm332.7\ \text{cm}^332.7 cm3

D

33.0 cm333.0\ \text{cm}^333.0 cm3

Markscheme

3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations Questions

  1. GCSE
  2. /Chemistry
  3. /3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations

40 exam-style questions on AQA GCSE Chemistry 3.1 Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations, covering 3.1.1 Conservation of mass and balanced chemical equations, 3.1.2 Relative formula mass, 3.1.3 Mass changes when a reactant or product is a gas, and 3.1.4 Chemical measurements. Each one has a worked solution and a mark scheme showing where the marks go.

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