Solubility Product Constant

molar solubility

the number of moles of solute required to make 1 L of a saturated solution

equilibrium constant

Ksp

what does the solubility product constant do?

it applies to the dissociation of slightly soluble compounds and shows the relative solubility of slightly soluble salts

solubility product expression

the product of the concentrations of its constituent ions, each raised to the power that corresponds to the number of ions in one formula unit of the compound

the law of mass action

coefficients from a balanced equilibrium equation becomes exponents in the equilibrium expression

do all solutions create a precipitate?

no

LeChatelier’s Principle

when a system at equilibrium is stresssed, it will readjust itself to relieve the stress and regain equilibrium

common ion

an ion that already exists in the system

what does the addition of a common ion do to a solution?

it places stress on an equilibrium which causes a decrease in solubility and an increase in precipitation