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Titration and pH Key Terms
Chapter16 Key Terms
11
Chemistry
Not Applicable
03/16/2004

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Term
pH
Definition
the negative of the common logarithm of the hydronium ion concentration of a solution
Term
pOH
Definition
the negative of the common logarithm of the hydroxide ion concerntration of a solution
Term
self-ionization of water
Definition
a processin which two water molecules produce a hydronium ion and a hydroxide ion by transfer of a proton
Term
end point
Definition
the point in a titration at which an indicator changes color
Term
acid-base indicators
Definition
a compound whose color is sensitive to pH
Term
primary standard
Definition
a highly purified solid compound used to check the concentration of a known solution in a titration
Term
titration
Definition
the controlled addition and measurement of the amount of a required to react completely with a measured amount of a solution of unknown concentration
Term
equivalence point
Definition
the point at which the two solutions used in a titration are present in chemically equivalent amounts
Term
pH meter
Definition
a device used to determine the pH of a solution by measuring the voltage between the two rodes that are placed in the solution
Term
standard solution
Definition
a solution that contains a precisely known concentration of a solute
Term
transition interval
Definition
the pH range over which an indicator changes color
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