chemistry quiz 5/3
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15 terms
Terms | Definitions |
|---|---|
 concentration | A measure of the amount of solute in a given amount of solvent of solution |
| molarity | number of moles/liters of solution |
| dilution formula | v1m1=v2m2 only with water |
| molality | moles of solute/kg of solvent |
| mass percent | mass of solute/mass of solutionX100 |
| dissociation | The separation of ions that occur when an ionic compound dissolves |
| precipitate/precipitation | A solid produced as a result of a chemical reaction in solution |
| when precipitation occurs | precipitation occurs when the attraction between ions is greater than the attraction between ions and surrounding water molecules. |
| net ionic equation | includes only those compounds and ions that undergo a chemical change in a reaction in an aqueous solution. |
| spectator ions | ions that do not take part in a chemical reaction and are found in solution both before and after the reaction |
| ionization | the process whereby solute molecules became ions by the action of the solvent |
| colligative properties | properties that depend on the concentration of solute particles but not the identity. ex: vapor pressure lowering, boiling point lowering, freezing point depression |
| freezing point depression | delta^ts=ksm. k=-1.86 |
| boiling point elevation | delta^tb=kbm. k=.51 |
| naming hydrates | MgSO4 * 7H2O=magnesium sulfate heptahydrate 1=mono 2=di 3=tri 4=tetra 5=penta 6=hexa 7=hepta 8=octa 9=nona 10=deca |
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