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2 marksAcidic and Basic Character of Organic Compounds

CAPE Chemistry Unit 2 · 2005 · Paper 2 · Question 1(a)(i)b

Blood acts as a buffer containing HCO3-(aq) and H2CO3. Explain how it responds to lactic acid produced during exercise.

Suggest how the blood responds in the presence of lactic acid produced as a result of strenuous exercise.

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Other parts of this question

  1. 1(a)(i)aSuggest how the blood responds in the presence of lactic acid produced as a result of mild exercise.[2 marks]
  2. 1(a)(ii)Suggest how the blood responds in the presence of excess alkalinity.[2 marks]
  3. 1(b)Outline the steps needed to prepare a buffer solution of known pH and to determine that the solution is of the required pH.[4 marks]

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