Transcription of Solubility of ionic solids in water Notes on General Chemistry
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Solubility of ionic solids in water Notes on General Chemistry
Solubility of ionic solids in waterNotes on General updated Thursday, October 18, 2007 12:47:52-05:00 Copyright 2007 Dan Dill of Chemistry , boston university , boston MA 02215 Factors affecting solubilityThe Solubility of ionic solids in water depends on two things: (1) the energy change, DEdissolve, that occurs when the ionic solid goes into solution as hydrated ions, and (2) the effect of the hydrated ions on the arrangement of the surrounding water molecules, measured by the organization energy, DEorg. These factors combine to determine the total energy change of dissolving,DEtotal=DEdissolve+ the solution forms with a drop in total energy change of dissolving, DEtotal<0, the ionic solid is the solution forms with an increase in total energy change of dissolving, DEtotal>0, the ionic solid is energy, DEdissolveThe energy change on formation of the solution is usually reported as the dissolving energy, DEdissolve.
Solubility of ionic solids in water Notes on General Chemistry ... Department of Chemistry, Boston University, Boston MA 02215 àFactors affecting solubility The solubility of ionic solids in water depends on two things: (1) the energy change, ... we take advantage of the salt's affinity for water.
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