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Acid Dissociation Constant (Ka)
The ratio of the concentration of the dissociated (or ionized) form of an acid to the concentration of the undissociated (nonionized) form.
A solution in which [H+] is greater than [OH-]
Alkaline Solution or Basic Solution
A solution in which [H+] is less than [OH-]
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.
in reverse reaction can act as acid;
conjugate acid-base pair
2 ions or l\molecules relate by the loss or gain of one hydrogen ion
Acids that contain two ionizable hydrogen.
point in a titration at which an indicator changes color
equal number of moles of each substance (neutralized)
Hydronium Ion (H3O+)
A water molecule that gains a hydrogen ion.
Ion-Product Constant for Water (Kw)
The product of the concentration of the hydrogen ions and hydroxide ions in water.
A substance that can donate a pair of electrons to form a covalent bond.
Acids that contain one ionizable hydrogen.
Any aqueous solution in which [H+] and [OH-] are equal.
A chemical reaction between an acid and a base
= -log10 [H?(aq)]
The reaction in which water molecules produce ions.
a solution of known concentration that is used to combine with a sample of an unknown concentration
An acid that donates its H+ ions to water in a reaction that goes completely to products
_______ dissociate completely into metal ions and hydroxide ion in aqueous solutions.
A laboratory procedure in which a substance in a solution of known concentration is reacted with another substance in a solution of unknown concentration in order to determine the unknown concentration.
Acids that contain three ionizable hydrogens.
_______ ionize only slightly in aqueous solutions.
_______ react with water to form the hydroxide ion and the conjugate acid of the base.