Solutions

25 July 2022
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Solution
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A homogenous mixture consisting of a solute dissolved in a solvent; can be any combination of solids, liquids, and/or gases
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Solute
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In a solution, this is the substance being dissolved
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Solvent
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In a solution, this is the substance doing the dissolving
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Aqueous Solution
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A solution in which water is the solvent
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Electrolyte
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A substance that conducts electricity when dissolved in a solution because it produces ions in solution
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Nonelectrolyte
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A substance that does not conduct electricity when dissolved in a solution because it does not produce ions in solution
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Soluble
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Can be dissolved by a particular solvent
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Insoluble
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Cannot be dissolved by a particular solvent
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Solubility
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The amount of solute that would form a saturated solution in 100g of water at 20*C
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Solubility Curve
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A graph showing the solubility of a substance at various temperatures
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Solvation
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The process of dissolving in which solvent particles surround and pull apart solute particles, distributing them evenly throughout the solution; happens at the surface of a solute and results from random molecular motion
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Miscible
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Can be mixed
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Saturated
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A solution that contains the exact amount of solute that it is capable of dissolving at a given temperature
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Unsaturated
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A solution that contains less solute than it is capable of dissolving at a given temperature
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Supersaturated
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A solution that contains more solute than it is capable of dissolving at a given temperature
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Crystallize
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The opposite of dissolving; when a substance formerly dissolved in a solution re-forms into solid crystals
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Concentration
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Refers to the amount of dissolved solute in a given solution
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Concentrated
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Describes a solution that has a relatively large amount of dissolved solute
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Dilute
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Describes a solution that has a relatively small amount of dissolved solute
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Dilution
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The process of adding more solvent to a solution in order to make it less concentrated
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Molarity
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The # of moles of solute in 1.0 liter of solution
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Parts Per Million (PPM)
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The # of grams of a solute in a given mass of solution; used when solute concentrations are very low
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Grams Per Liter (g/L)
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The # of grams of a solute in 1.0 liters of solution; used when describing a solid solute dissolved in a liquid solvent
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Percent Composition (Mass %)
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The # of grams of a solute in a given mass of solution expressed as a percentage
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Rate of Dissolution
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How fast a substance dissolves
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Like Dissolves Like
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Nonpolar solvents can only dissolve nonpolar solutes; Polar solvents can only dissolve polar or ionic solutes
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Polarity
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Exists when a molecule has a clustering of negative charge on one side due to unequal sharing of electrons
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M1V1=M2V2
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Formula used to determine how to create a solution of desired concentration from a stock solution of known Molarity and volume