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This content is available for free at http://cnx.org/content/col11760/1.9

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Term
Definition
common ion effect   effect on equilibrium when a substance with an ion in common with the dissolved species is added to the solution; causes a decrease in the solubility of an ionic species, or a decrease in the ionization of a weak acid or base  
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complex ion   ion consisting of a transition metal central atom and surrounding molecules or ions called ligands  
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coordinate covalent bond   (also, dative bond) bond formed when one atom provides both electrons in a shared pair  
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dissociation constant (Kd)   equilibrium constant for the decomposition of a complex ion into its components in solution  
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formation constant (Kf)   (also, stability constant) equilibrium constant for the formation of a complex ion from its components in solution  
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Lewis acid   any species that can accept a pair of electrons and form a coordinate covalent bond  
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Lewis acid-base adduct   compound or ion that contains a coordinate covalent bond between a Lewis acid and a Lewis base  
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Lewis base   any species that can donate a pair of electrons and form a coordinate covalent bond  
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ligand   molecule or ion that surrounds a transition metal and forms a complex ion; ligands act as Lewis bases  
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molar solubility   solubility of a compound expressed in units of moles per liter (mol/L)  
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multiple equilibrium   system characterized by more than one state of balance between a slightly soluble ionic solid and an aqueous solution of ions working simultaneously  
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selective precipitation   process in which ions are separated using differences in their solubility with a given precipitating reagent  
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solubility product (Ksp)   equilibrium constant for the dissolution of a slightly soluble electrolyte  
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