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3.3 Yield and atom economy of chemical reactions

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Question 2
F

In a reaction, the maximum theoretical mass of the product is 24.0 g. A student obtained 18.0 g of the product.

a.

Calculate the percentage yield of the product.

[2]
b.

Give two reasons why the yield of a product may be less than the maximum theoretical yield.

[2]
c.

Explain why the percentage yield of a reaction can never be greater than 100 %.

[1]
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

39 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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