HWC4-15soln - CHM 3610 Summer 2005 Homework Chapters 4 and...

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CHM 3610 Summer 2005 Homework Chapters 4 and 15 Use the Kapustinskii equation (4.16) on page 171 for the calculation of lattice energies. Chapter 4 Exercises 2, 5, 7, 11, 12, 20, 25, 28, 29, 36(skip a), 43, and 54. Chapter 15 Exercises 9, 11, and 20 Q2. Compound Cation acidity Anion basicity Solubility CuMoO 4 moderate feebly soluble Cs 2 MoO 4 non feebly soluble Cr 2 TeO 6 moderate very strongly insoluble Cr(NO 3 ) 3 moderate non soluble HgO weakly very strongly insoluble NaOH non very strongly soluble RbTcO 4 non non insoluble KIO 4 non non insoluble K 5 IO 6 non very strongly soluble Q5 Ca 2+ is feebly acidic and would precipitate the basic phosphate and molybdate anions but not the nonbasic nitrate ion. Q7 The ClO 4 is non-acidic and PO 4 3 is moderately basic so we can apply the solubility rules based on the acidity of the cation. Cation acidity ClO 4 ppt. PO 4 3 ppt. U 3+ weakly no yes Rb + non yes no Pb 4+ very strong no yes Al 3+ moderate no yes Q11 The PF 6 is non-basic, PO 4 3
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HWC4-15soln - CHM 3610 Summer 2005 Homework Chapters 4 and...

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