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CAPE Chemistry Unit 1 · 2005 · Paper 2 · Question 3(a)

A titrimetric method is used to determine the percentage of salicylic acid in aspirin tablets.

Suggest a suitable titrant reagent for estimating salicylic acid.

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Other parts of this question

  1. 3(b)Describe the procedure for preparing the standard titrant solution to estimate the salicylic acid in each tablet.[6 marks]
  2. 3(c)Select the most suitable indicator from Table 2 for the titration shown in Figure 1, explaining your choice using the titration curve.[3 marks]

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