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A substance that has the potential to donate a proton or accept an electron pair.
Having a pH less than 7 or a pOH greater than 7.
A substance that can accept a proton, release OH-, or donate an electron pair.
Having a pH greater than 7 or a pOH less than 7.
A solution composed of an acid and its conjugate base that serves to moderate the pH of the solution.
A molecule that can be described as a base that has gained one proton.
A molecule that can be described as an acid that has lost one proton.
Separate into its ion constituents.
A reaction that modifies a water molecule. In acid-base chemistry this usually refers to the reaction of a solute which changes the pH of an aqueous solution.
A measure of the hydrogen ion concentration, it is equal to - log [H+].
A measure of the strength of an acid, it is equal to - log Ka, where Ka is the acid dissociation constant in water.
A measure of the strength of a base, it is equal to log Kb, where Kb is the base dissociation constant in water.
A measure of the hydroxide ion concentration, it is equal to - log [OH- ].
An acid that can donate more than one proton.
An acid with a pKa less than zero. Strong acids completely dissociate in water.
A base with a pKb less than zero. Strong bases completely dissociate in water.
An acid with a pKa greater than zero. Weak acids do not completely dissociate in water.
A basewith a pKb greater than zero. Weak bases do not completely dissociate in water.
