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Chem U6 Vocab

Vocab Unit 6 lists 6.1 and 6.2

TermDefinition
Solution A homogenous mixture of two substances.
Solute The dissolved substance, minority of the solution (usually solid).
Solvent The substance dissolving the solute, majority of the solution (usually liquid).
Homogeneous Uniform mixture of solute and solvent.
Heterogeneous Non-uniform mixture of solute and solvent.
Saturated Solvent is unable to dissolve any more solute.
Unsaturated Solvent is still able to dissolve more solute.
Supersaturated Contains more dissolved solute than a saturated solution would at the same temp.
Polar Solvent Can dissolve polar solutes.
Nonpolar Solvent Can dissolve nonpolar solutes.
Hydration Spheres Anions and cations are separated and surrounded by polar water molecules.
Solubility Describes how much/maximum amount of solute that can be dissolved.
Temperature Direct relationship for solids, inverse relationship for gases.
Pressure Relates to gases, solubility increases, gas is ‘pushed’ into the liquid.
Surface Area Relates to solids, increases solubility by mixing, stirring,
Concentration The amount of a given substance contained within a solution.
Grams / Liter Represents the mass of solute divided by the volume of the solution.
Molarity Indicates the number of moles of solute per liter of solution.
Percent composition The ratio of one part solute to one hundred parts solution
Parts per million Indicates the number of molecules of solute for every million molecules of solution.
Created by: david.chavez
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