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3.3 Yield and atom economy of chemical reactions

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Question 14

A research laboratory tests a reaction for making product Q. The results from one trial batch are shown in the table.

QuantityMass in g
Maximum theoretical mass of product Q31.0
Mass of product Q collected21.7

Calculate the percentage yield for product Q in the trial batch.

[2]
Markscheme

3.3 Yield and atom economy of chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /3.3 Yield and atom economy of chemical reactions

104 exam-style questions on AQA GCSE Chemistry 3.3 Yield and atom economy of chemical reactions, covering 3.3.1a Percentage yield, 3.3.1b Theoretical mass of a product, 3.3.2a Atom economy, and 3.3.2b Choosing a reaction pathway. Each one has a worked solution and a mark scheme showing where the marks go.

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