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10.3 Polymers

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Question 15
H

Proteins are natural polymers made from amino acids. Each time two amino acids join, one molecule of water is released.

What is the relative formula mass of a single chain made from 100 glycine molecules, NH2CH2COOH\mathrm{NH_{2}CH_{2}COOH}NH2​CH2​COOH?

(relative atomic masses: H = 1, C = 12, N = 14, O = 16)

[1]
A

7500

B

7482

C

5700

D

5718

Markscheme

10.3 Polymers Questions

  1. GCSE
  2. /Chemistry
  3. /10.3 Polymers

37 exam-style questions on Edexcel GCSE Chemistry 10.3 Polymers, covering 10.3.1 Addition polymerisation of alkenes, 10.3.2 Uses and properties of polymers, 10.3.3 Condensation polymers and polyesters, 10.3.4 Problems with polymers and recycling, and 10.3.5 Natural polymers: DNA, starch and proteins. Each one has a worked solution and a mark scheme showing where the marks go.

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