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Chem Quiz 1.26.15

Chemistry Quiz Founders 1.26.15

TermDefinition
solute the component that is dissolved in solution
solvent the component in which a solute is dissolved
miscible capable of being mixed
immiscible incapable of being mixed
molarity moles of solute/ 1 liter of solution
solubility a measure of how much solute that will dissolve in a solvent at a given temperature and pressure
dissolution the process of dissociating a solute into smaller molecules or ions
solvation the process of solvent particles surrounding the solute particles in solution
ionize to dissociate compounds into cations and anions
electrolyte any substance that ionizes when dissolved
strong electrolyte completely dissociates when dissolved
weak electrolyte partially dissociates
non-electrolytes does not dissociate
unsaturated less than saturated
saturated exists at the equilibrium where the rate of dissolution = rate of recrystallization (maximum amount of solute is dissolved for the particular temp and pressure)
supersaturated more than saturated (sodium acetate)
molality moles of solute/ 1 kg of solution
like dissolves like: the role of polarity in solubility (oil is non-polar, water is polar- both do not dissolve)
how do molal boiling & freezing point constants for electrolytes differ? (boiling salt water lab) the boiling point elevation is proportional to the molality of the solute particles
if 2 solutions have the same concentration but one is salt water and the other is sugar water, will they have the same boiling point? or will one be higher than the other? which one? why?
colligative properties depend on the concentration of the solute but not the identity of the solute
how can a titration be accurate? A titration is an analytic method that determines the precise endpoint of a reaction and therefore the precise quantity of reactant in the titration flask
why do the titration graphs look alike? because they will all have a similar equivalence point that will fall in-between a similar point
Created by: bgpalmers