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8.1 Rates of reaction

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Question 5

During the manufacture of an oil-based product, hydrogen reacts with an unsaturated compound in the oil.

C18H30O2+3H2→C18H36O2\mathrm{C_{18}H_{30}O_{2} + 3H_{2} \rightarrow C_{18}H_{36}O_{2}}C18​H30​O2​+3H2​→C18​H36​O2​

A mass of 0.60 g of hydrogen reacts completely.

Relative formula masses: C18H30O2=278\mathrm{C_{18}H_{30}O_{2}} = 278C18​H30​O2​=278, H2=2\mathrm{H_{2}} = 2H2​=2

Calculate the mass of the unsaturated compound that reacts with the hydrogen.

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Markscheme

8.1 Rates of reaction Questions

  1. GCSE
  2. /Chemistry
  3. /8.1 Rates of reaction

122 exam-style questions on Edexcel GCSE Chemistry 8.1 Rates of reaction, covering 8.1.1 Measuring and interpreting rates of reaction, 8.1.2 Collision theory and the factors affecting rate, and 8.1.3 Catalysts and enzymes. Each one has a worked solution and a mark scheme showing where the marks go.

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