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Ch 15 vocab


Self-ionization of water two water molecules produce a hydronium ion and a hydroxide ion by the transfer of a proton
pOH the negative of the common logarithm of the hydroxide ion concentration
pH a solution is defined as the negative of the common logarithm of the hydronium ion concentration
Acid -base indicators compounds whose colors are sensitive to pH
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 two solutions used in a titration are present in a 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
Created by: mollymoore