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Titration curve

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Intro to Chemistry

Definition

A titration curve is a graph of the pH of a solution as a function of the volume of titrant added during an acid-base titration. It helps illustrate the point at which neutralization occurs.

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5 Must Know Facts For Your Next Test

  1. The equivalence point on a titration curve is where the amount of acid equals the amount of base during the titration.
  2. A titration curve typically has distinct regions: buffer region, steep rise or fall, and equivalence point.
  3. The initial pH on a titration curve depends on whether you start with an acid or base.
  4. For strong acid-strong base titrations, the pH changes very rapidly near the equivalence point.
  5. In weak acid-strong base or weak base-strong acid titrations, there are buffer regions that resist changes in pH before reaching equivalence.

Review Questions

  • What does the equivalence point on a titration curve represent?
  • How does the shape of a titration curve differ between strong acid-strong base and weak acid-strong base titrations?
  • What factors influence the initial pH in a titration?

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