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8 terms

Chapter 16 Section 16.2 Vocabulary

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acid-base indicators
compounds whose colors are sensitive to pH (color of an indicator changes as the pH of a solution changes)
transition interval
the pH range over which an indicator changes color
pH meter
determines the pH of a solution by measuring the voltage between the two electrodes that are placed in the solution
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
equivalence point
the point at which the two solutions used in a titration are present in chemically equivalent amounts
end point
the point in a titration at which an indicator changes color
standard solution
the solution that contains the precisely known concentration of a solute
primary standard
a highly purified solid compound used to check the concentration of the known solution in a titration