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Conjugate Acid-Base Pair
consists of two substances related by the loss or gain of a single hydrogen ion
an aqueous solution in which the concentrations of H+ and OH- ions are equal; pH = 7
Ion-Product Constant for Water
the product of the concentrations of hydrogen ions and hydroxide ions in water; it is 1 X 10^-14 at 25 degrees C
Any water solution that has more hydrogen ions (H+) than hydroxide ions (OH-); pH is less than 7
any solution in which the hydroxide-ion concentration is greater than the hydrogen-ion concentration
a base that completely dissociates into metal ions and hydroxide ions in aqueous solution
Acid dissociation constant (Ka)
the ratio of the concentration of the dissociated form of an acid to the concentration of the undissociated form
Base dissociation constant (Kb)
the ratio of the concentration of the conjugate acid times the concentration of the hydroxide ion to the concentration of the base
Reactions in which an acid and a base react in an aqueous solution to produce a salt and water
The point during a titration when the number of H+ ions and OH- ions are equal. This is at the middle of the steepest part of the titration curve.
a solution whose concentration is accurately known used in carrying out a titration
process in which a solution of known concentration is used to determine the concentration of another solution
a process in which the cations or anions of a dissociated salt accept hydrogen ions from water or donate hydrogen ions to water
weak acids or bases that can react with strong acids or bases to prevent sharp, sudden changes in pH
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