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3.3 Yield and atom economy of chemical reactions

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Question 9

A research team makes a batch of fragrance compound P. The recorded percentage yield is exactly 100%.

Which conclusion is justified by this result?

[1]
A

The reaction formed no by-products

B

The total mass of reactants equals the mass of product collected

C

The mass of product collected equals the maximum theoretical mass

D

The mass of product collected is greater than the maximum theoretical mass

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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