AP®︎ Chemistry: Topic 4.6 Flashcards

Master key terms and definitions for Topic 4.6 of AP Chemistry – Introduction to Titration to help you prep for quizzes and the AP exam.

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Term

Titration

Definition

An experimental method that determines an unknown concentration using a reacting solution of known concentration.

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Titration
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An experimental method that determines an unknown concentration using a reacting solution of known concentration.

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Titrant
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The solution of known concentration added to react completely with the substance being measured.

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Analyte / Titrand
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The solution of unknown concentration whose amount or concentration is determined in the procedure.

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Indicator
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A substance that changes color over a certain pH range to signal the endpoint.

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Acid-Base Titration
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A titration in which an acid and base react quantitatively to determine an unknown concentration.

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Titration Curve
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A graph of solution pH versus volume of titrant added during the procedure.

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Inflection Point on a Titration Curve
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The point of greatest slope change on the curve, corresponding to the equivalence point.

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Equivalence Point and Endpoint
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One is stoichiometric completion, while the other is the observable change used to detect it.

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Titration Stoichiometry
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At equivalence, use mole ratios and measured volumes to relate titrant and analyte amounts.

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