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3.3 Yield and atom economy of chemical reactions

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Question 8

A technician carries out a reaction that could make at most 200.0 g of potassium bromide. The percentage yield is 75.0 %. What mass of potassium bromide did the technician collect?

[1]
A

125.0 g125.0\ \text{g}125.0 g

B

50.0 g50.0\ \text{g}50.0 g

C

150.0 g150.0\ \text{g}150.0 g

D

266.7 g266.7\ \text{g}266.7 g

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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