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7.3 Synthetic and naturally occurring polymers

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Question 25

A batch contains 4.0 × 1017 identical polypeptide molecules. Each polypeptide molecule is one chain containing exactly 25 amino acid units.

How many molecules of water are released when the batch of polypeptide is produced from amino acids? Show your working.

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7.3 Synthetic and naturally occurring polymers Questions

  1. GCSE
  2. /Chemistry
  3. /7.3 Synthetic and naturally occurring polymers

94 exam-style questions on AQA GCSE Chemistry 7.3 Synthetic and naturally occurring polymers, covering 7.3.1 Addition polymerisation, 7.3.2 Condensation polymerisation, 7.3.3 Amino acids, and 7.3.4 DNA (deoxyribonucleic acid) and other naturally occurring polymers. Each one has a worked solution and a mark scheme showing where the marks go.

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