L17-Chemical_Reactions_and_Stoichiometry

L17-Chemical_Reactions_and_Stoichiometry - Part III...

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Part III Chemical Reactions and Stoichiometry: Aqueous Solutions Solutions and Solubility saturated solution the solvent has reached maximum capacity of solute dissolution is in equilibrium with crystallization unsaturated solution not in equilibrium dissolution rate is faster than crystallization Aqueous Solutions: Terminology ClassiFcation of water-soluble solutes electrolytes conduct an electric current in water non-electrolytes do not conduct electric current in water Electrolytes strong electrolytes those that conduct electricity well in dilute aqueous solution strong acids strong bases most soluble salts weak electrolytes those that do not conduct electricity well in dilute aqueous solution 1 2 3 4
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Dissociation the process in which a solid ionic compound separates into its ions in aqueous solution NaCl(s) Na + (aq) + Cl - (aq) H 2 O Ionization the process in which molecular compounds form ions in aqueous solution HCl(g) H + (aq) + Cl - (aq) H 2 O Why are the strong electrolytes strong? the strong electrolytes (nearly) completely
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This note was uploaded on 09/24/2009 for the course CHEM 333 taught by Professor Baird during the Spring '09 term at UC Davis.

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L17-Chemical_Reactions_and_Stoichiometry - Part III...

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