IB Chemistry SL Reactivity 3.1.8 pH Curves

Practise sketching and interpreting monoprotic titration curves from initial pH through the equivalence region to excess titrant. Locate the equivalence volume, identify the…

Syllabus
First assessment 2025
Objective
3.1.8
Level
SL

Exam points

  • identify the initial pH, vertical equivalence region and final excess-titrant plateau
  • read the equivalence volume from the midpoint of the curve's steep pH change
  • use equal reacting moles and the curve volume to calculate an unknown concentration

3.1.8—pH curves question 1

[Maximum number: 1]

Suggest how the end point of the titration might be estimated from the graph.

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