Chapter 4- Solutions and Coligative Properties
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15 terms
Terms | Definitions |
|---|---|
 solution | a homogeneous mixture of two or more substances |
| solute | the dissolved substance in a solution |
| solvent | a liquid substance capable of dissolving other substances |
| electrolyte | a solution that conducts electricity |
| molecular equation | shows the complete formulas of all reactants and products |
| net ionic equation | the equation that 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 |
| molality | the concentration of a solution expressed in moles of solute per kilogram of solvent |
| colligative properties | properties that depend on the concentration of solute particles but not on their identity |
| boiling point elevation | The increase in the boiling point of a solvent due to the presence of dissolved solute. |
| freezing point depression | the difference in temperature between the freezing point of a solution and the freezing point of the pure solvent |
| dilute | relatively little solute present |
| concentrated | large amount of solute present |
| volatile | breaks up into pieces when dissolved in water -acids -ionic compounds |
| nonvolatile | don't break up into pieces when dissolved in water -molecular compounds |
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