IB Chemistry - Acids and Bases

IB Chemistry home > Syllabus 2025 > Acids and Bases > pH curves in itrations

Titration is an experimental technique whereby a solution is added dropwise from a burette into another solution in a conical flask. It is used to find the concentration of an unknown solution from the stoichiometric quantities of each reagent required for complete reaction (equivalence).

Syllabus reference

Reactivity 3.1.8 - pH curves for neutralization reactions involving strong acids and bases have characteristic shapes and features.

  • Sketch and interpret the general shape of the pH curve.


  • Interpretation should include the intercept with the pH axis and equivalence point.
  • Only monoprotic neutralization reactions will be assessed.

Tools and links

  • Structure 1.4 - Why is the equivalence point sometimes referred to as the stoichiometric point?
  • Tool 1 and Tool 3, Structure 1.3 - How can titration be used to calculate the concentration of an acid or base in solution?

In Chapter 8.8