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ChemistrySOLUTIONS

chapter 15.1 and 15.3

TermDefinition
Solutions Is a homogeneous mixture of two or more substances
Molarity(M) Is the strength or concentration of a solute Molarity= moles of solute/VOLUME of solution
Molality(m) Shows the concentration of a solution; the solvent (the compound is the greater amount) units are in kilograms molality=moles of solute/MASS of solvant
Soluble A substance that dissolves in a solvent.
Slovent The solvent douse the DISSOLVING (greater amount) (Ex:Water)
Miscible Describes two liquids that are soluble in each other.
Saturated Solutions Contains the maximum amount of solute that will dissolve in a given amount of solvent at a specified temp. and pressure.
Unsaturated Solutions Contains less dissolved solute for a given temperature and pressure than a saturated solutions.
Polar molecule
3 collective properties Vapor Pressure Boiling Point Freezing Point
Vapor Pressure
Boiling Point Elevation The temp. difference between a solution boiling point and pure solvent boiling point. ^Tb=Kbm
Freezing Point Depression Freezing-point depression describes the process in which adding a solute to a solvent decreases the freezing point of the solvent ^Tf=Kfm
Insoluble A substance that does not dissolves.
Immiscible Describes two liquids that can be mixed together but separate shortly after you mix them.
Supersaturated Solutions Contains more dissolved solute than a saturated solution at the same temperature
Solute The solute is the substance DISSOLVED in the solutions (less amount) (Ex: sugar,salt)
Aqueous Solutions Substances dissolved in water
Created by: monse_