concentration2

concentration2 - pressure effects doesn’t affect...

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Unformatted text preview: pressure effects - doesn’t affect liquid/solid as much as gas • increase pressure over solvent >> increase solubility of gas • gas solubility increases directly proportional to partial pressure above the solution • Henry’s Law- Sg = kPg o Sg = solubility of gas in solution phase o Pg = partial pressure of gas over solution o k - Henry’s law constant temperature effects - different for gas/solid • temperature increase >> solid solubility increase, gas solubility decrease • thermal pollution - higher temperatures >> lower oxygen solubility in lakes concentration - dilute (small solute concentration), concentrated (large solute concentration) • mass percentage = mass of component in solution / total solution mass o parts per million = mass percentage x 106 o parts per billion = mass percentage x 109 • mole fraction- moles of component in solution / total moles of all components o molarity (volume) = moles of solute / liters of solution o molality (mass) = moles of solute / kilograms of solvent...
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This document was uploaded on 10/30/2011 for the course CHEM 161 at Rutgers.

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concentration2 - pressure effects doesn’t affect...

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