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Calculations involving masses

Calculations involving masses

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Question 123

An esterification reaction is carried out to produce ethyl ethanoate (CH3COOCH2CH3\text{CH}_3\text{COOCH}_2\text{CH}_3CH3​COOCH2​CH3​) from ethanoic acid and ethanol.

CH3COOH(l)+CH3CH2OH(l)⇌CH3COOCH2CH3(l)+H2O(l) \text{CH}_3\text{COOH}(\text{l}) + \text{CH}_3\text{CH}_2\text{OH}(\text{l}) \rightleftharpoons \text{CH}_3\text{COOCH}_2\text{CH}_3(\text{l}) + \text{H}_2\text{O}(\text{l}) CH3​COOH(l)+CH3​CH2​OH(l)⇌CH3​COOCH2​CH3​(l)+H2​O(l)

In a student's preparation, the maximum theoretical yield of ethyl ethanoate was 28.4 g. The actual yield of ethyl ethanoate obtained after purification was 19.7 g.

Calculate the percentage yield of ethyl ethanoate in this experiment. Give your answer to three significant figures.

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Calculations involving masses Questions

  1. GCSE
  2. /Chemistry
  3. /Calculations involving masses

258 exam-style questions on Edexcel GCSE Chemistry Calculations involving masses. Each one has a worked solution and a mark scheme showing where the marks go.

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