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3.3 Yield and atom economy of chemical reactions

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Question 15
H80%

Which expression is used to calculate the percentage atom economy of a reaction?

[1]
A

(MrM_rMr​ of desired product ÷ sum of MrM_rMr​ of all reactants) × 100

B

(mass of product actually made ÷ maximum theoretical mass) × 100

C

(sum of MrM_rMr​ of all reactants ÷ MrM_rMr​ of desired product) × 100

D

(MrM_rMr​ of desired product ÷ MrM_rMr​ of the first reactant only) × 100

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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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