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14 Cards in this Set
- Front
- Back
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super saturated
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Def - are solutions that contain a greater amount of solute than needed to form a saturated solution, they are very unstable and do not remain super saturated for a long time(they will crystallize )
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Saturated
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Def- are solutions in which the maximum amount of solute is dissolved ,if there is extra solute it won't dissolve and will stay at the bottom of the container
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Unsaturated
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Def - are solutions in which less than the maximum amount of solute is dissolved more solute would dissolve if added
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Factors Affecting Solubility
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def; substances dissolve in solvents with similar bonding of IMF
1.Temperature-increase in temperature increases the solubility of solids, decrease in temperature increases the solubility of gases 2.Pressure-it only affects the solubility of a gas, increase in pressure will increase solubility of gases 3.Nonpolar and Polar- polar solvents dissolve in polar solvents, non polar solvents dissolve in non polar solvents,ionic compounds dissolve in non polar solvents |
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Solute
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Def- is the substance being dissolved
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Solvent
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Def- is the substance that dissolves it
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Solutions
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Def - are homogeneous mixtures of two or more substances
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Molarity
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molarity =moles/volume
moles=grams/molar mass |
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heterogeneous
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Def- mixture composed of different substances or the same substances in different phases, as solid ice and liquid water
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Homogeneous
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Def- composed of parts or elements that are all of the same kind
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Dilution
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ppm by mass- mass of solute in g/mass of the solution in g ×10^6
ppm by volume- volume of the solute in L/volume of the solution in L ×10^6 |
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Mass Percent
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M/M= mass of solute / mass of solution
V/V= volume of solute/ volume of solution |
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Difference between solute and solvent ?
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Solvent dissolves the solutes and form a uniform solution. So, normally solvent amount is higher than the solute quantity.
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What is a solution ?
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solution is a homogeneous mixture of two or more substances. It is called a homogenous mixture, because the composition is uniform throughout the solution. The components of a solution are mainly of two types, solutes and the solvents.
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