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11 Cards in this Set
- Front
- Back
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Acid-Base Indicators |
Compounds whose colors are sensitive to pH |
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End Point |
The point in a titration at which an indicator changes color |
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Equivalence Point |
The point at which two solutions used in titration are present in chemically equivalent amounts |
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pH |
The negative of the common logarithm of the hydronium ion concentration |
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pH Meter |
An instrument that determines the pH of a solution by measuring the voltage between two electrodes that are placed in the solution |
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pOH |
The negative of the common logarithm of the hydroxide ion concentration |
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Primary Standard |
A highly purified solid compound used to check the concentration of the known solution in a titration |
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Self-Ionization of Water |
Two water molecules produce a hydronium and a hydroxide ion by transfer of a proton |
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Standard Solution |
The solution that contains the precisely known concentration of a solute |
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Titration |
The controlled addition and measurement of the amount of a solution of known concentration required to react completely with a measured amount of a solution of unknown concentration |
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Transition Interval |
The pH range over which an indicator changes color |
