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Amino acids, amides and chirality

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Question 3

α\alphaα-Amino acids have the general formula RCH(NH2)COOH\text{RCH(NH}_2\text{)COOH}RCH(NH2​)COOH.

The R group in an α\alphaα-amino acid contains C\text{C}C and H\text{H}H only. This R group has a molar mass of 57 g mol-1.

A polymer is formed from 450 molecules of this α\alphaα-amino acid.

Determine the molar mass of this polymer. Give your answer to the nearest whole number.

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Amino acids, amides and chirality Questions

  1. A Level
  2. /Chemistry
  3. /Amino acids, amides and chirality

4 exam-style questions on OCR A A Level Chemistry Amino acids, amides and chirality. Each one has a worked solution and a mark scheme showing where the marks go.

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