Solubility

(Lecture id-1125)

TOPICS & OBJECTIVES

1010 - Ksp
    1010 - Know that the solubility product constant, Ksp, defines the equilibrium constant for the dissolution of an ionic compound into its constituent ions.
    1020 - Calculate the molar solubility of an ionic compound in pure water using the Ksp expression and an ICE table.
    1030 - Know that the solubility of an ionic compound is lower in a solution containing a common ion than in pure water.
    1040 - Calculate the molar solubility of an ionic compound in the presence of a common ion using the Ksp expression and an ICE table.
    1050 - Know that the solubility of an ionic compound containing a basic anion increases with decreasing pH.
 
1020 - Qualitative Analysis
    1010 - Know that the precipitation of an ionic compound upon mixing aqueous solutions can be predicted using the Q expression and comparing Q to Ksp.
    1020 - Define selective precipitation, and know and understand how cations can be selectively precipitated based on their differential solubility with various anions.
    1030 - Know and understand that differential precipitation is the basis of the qualitative analysis of cations in solution.
    1040 - Apply the qualitative analysis scheme based on sequentially insoluble chlorides, acidinsoluble sulfides, base-insoluble sulfides and hydroxides, insoluble phosphates, and alkali metals and ammonium.
    1050 - Know that alkali metals give a characteristic color upon heating in an open flame.
 
1030 - Complex Ions
    1010 - Define complex ion and ligand.
    1020 - Know that metal cations form complex ions with a series of anionic and neutral ligands.
    1030 - Calculate complex ion equilibria using formation constants, Kf, and cation and ligand concentrations.
    1040 - Know that amphoteric metal hydroxides, like Al(OH)3, are more soluble in acidic and in basic solution than in pure water.
 


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