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solubility
solubility equilibrium
16
Chemistry
11th Grade
11/29/2012

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Term
soluble
Definition
all of the substance dissolves in water
Term
partially soluble
Definition
substanec dissolves to a great extent in water (some precipitate left)
Term
spectator ions
Definition
: ions that do not change during the reaction
Term
ionic equations
Definition
show what happens to the ions that take part in a chemical reaction
Term
net ionic equations
Definition
ionic equation that does not include spectator ions
Term
solubility product constant
Definition
the equilibrium constants for reaction involving solibilities-- ksp
Term
common ion
Definition
a solution of two dissolved solutes that contain the same ion or ions
Term
qsp
Definition
the product of the initial ion concentrations
Term
what happens to solids when dissolved in water?
Definition
they dissociate. some are only slightly soluble
Term
what types of phases ionize? so what can you write formulas for?
Definition
aqueous, --NOT SOLIDS LIQUIDS OR GASES
Term
What does solubility equilibrium look at
Definition
partially or almost insoluble solids in equilibrium
Term
solubility equilibrium
Definition
when the rate of dissolving is equal to the rate of precipitation
Term
do you ever get a denominator for dissolving a solid ---ionic------ substance
Definition
no, because reactants are always solid.
Term
when reaction involve solubilities, the equi constants are refered to as
Definition
product constants or ksp
Term
how is the ksp determined? at standard temperature
Definition
when the concentration of the ions in a saturated solution are multiplied together and raised to their coefficients.
Term
why is ksp useful
Definition
tells the relative solubilities of slightly soluble electrolytes

smaller ksp's mean the solids are less soluble than larger ksps

predict whether a precipitate will form when two solutions are mixed
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