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6.1 Rate of reaction

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Question 22
H

The rate of a reaction is directly proportional to the concentration of the acid used. The reaction takes 150 s using acid of concentration 0.50 mol/dm3. How long will it take using acid of concentration 1.25 mol/dm3?

[1]
A

60 s60\ \text{s}60 s

B

75 s75\ \text{s}75 s

C

120 s120\ \text{s}120 s

D

375 s375\ \text{s}375 s

Markscheme

6.1 Rate of reaction Questions

  1. GCSE
  2. /Chemistry
  3. /6.1 Rate of reaction

41 exam-style questions on AQA GCSE Chemistry 6.1 Rate of reaction, covering 6.1.1a Calculating rates of reactions, 6.1.1b Gradient of a tangent as rate, 6.1.2 Factors which affect the rates of chemical reactions, 6.1.3 Collision theory and activation energy, and 6.1.4 Catalysts. Each one has a worked solution and a mark scheme showing where the marks go.

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