Chapter 15 - Acid-Base Equilibria

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Chemistry

12 Terms

1

endpoint

The ________ is defined by the change in color of the indicator.

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2

indicator

Choosing a(n) ________ is easier if there is a large change in pH near the equivalence point of the titration.

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3

equivalence point

The ________ is defined by the reaction stoichiometry.

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4

anion

If the ________ of the solid is a good base, the solubility is greatly increased by acidifying the solution.

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5

Ksp

________ is an equilibrium constant; solubility is an equilibrium position.

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6

solubility product

The ________ is an equilibrium constant and has only one value for a given solid at a given temperature.

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7

Pure liquids

________ and pure solids are never included in an equilibrium expression.

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8

stable complex ions

In cases where the anion is not sufficiently basic, the ionic solid often can be dissolved in a solution containing a ligand that forms ________ with its cation.

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9

Metal ions

________ and ligands one at a time in steps characterized by equilibrium constants called formation constants for stability constants.

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10

Indicators

________ are sometimes used to mark the equivalence point of an acid- base titration.

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11

equivalence point

The amount of acid present, not its strength, determines the ________.

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12

equivalence point

Strong acid**: A strong base titrations show a sharp change in pH near the ________.

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