Grade 12 · Chemistry
Acid-base titrations
Why it matters
Finding a concentration by neutralization.
Advanced20m readingPrerequisite: The chemistry of buffers
What is a titration?
Short answer
A titration is a technique for finding an unknown concentration by reacting a solution with a standard solution of known concentration. Titrant is added until the reaction is just complete at the equivalence point, signalled by an indicator colour change. Using the volume added and the balanced equation, you calculate the unknown concentration by stoichiometry.
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Frequently asked questions
- What is the equivalence point?
- The point where the added titrant has exactly reacted with all of the substance being measured, per the balanced equation.
- What does an indicator do in a titration?
- It changes colour near the equivalence point to signal when to stop adding titrant.