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6.1 Rate of reaction

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Question 17

When calcium carbonate reacts with dilute hydrochloric acid, 0.015 mol of carbon dioxide is produced in the first 60 s. What is the mean rate of production of carbon dioxide over this time?

[1]
A

0.0025 mol/s0.0025\ \text{mol/s}0.0025 mol/s

B

4000 mol/s4000\ \text{mol/s}4000 mol/s

C

0.90 mol/s0.90\ \text{mol/s}0.90 mol/s

D

0.00025 mol/s0.00025\ \text{mol/s}0.00025 mol/s

Markscheme

6.1 Rate of reaction Questions

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

127 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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