Endpoint — Science definition
Observed signal used to stop a titration.
Where it is taught
- Titration, Buffers & Neutralization Curves — Acids, Bases & Titration, Physical Science: Chemistry, Grade 11
In use
Equivalence means stoichiometric amounts have reacted; endpoint is the observed indicator or instrument signal.
Titration, Buffers & Neutralization Curves
Questions using endpoint
Problem 1
Differentiate endpoint and equivalence.
Answer and explanation
Endpoint is observed; equivalence is a stoichiometric condition. Their difference contributes systematic error.
Response criteria
- State a scientifically accurate conclusion.
- Show the calculation or mechanism that supports it.
- Include units, conditions, or limits where relevant.