Solubility Homework Set


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Unformatted text preview: plex ion AgCl2‐ for which Kf = 2.5 x 105. Determine the equilibrium constant for the solubility of AgCl in the presence of excess chloride ion. Ksp of AgCl is 1.8 x 10‐10. 42. Use the information from problem 41 to calculate the molar solubility of AgCl in 8.5 M HCl. 43. Calculate the concentration of free copper ion, [Cu2+], in a 1.0 L solution containing 3.7 x 10‐2 mol Cu2+ and 2.5 M NH3. Kf for Cu(NH3)42+ = 5 x 1012. 44. What is the concentration of Cd2+ in a solution that is 0.10 M Cd(NH3)42+ ? Kf for Cd(NH3)42+ is 4.0 x 106 45. Calculate the molar solubility of ZnS in 2.5 M NaOH. Ksp ZnS = 3.0 x 10‐23 Kf Zn(OH)42‐ = 2.9 x 1015 46. The formation constant, Kf, for Ni(NH3)62+ is 5.5 108. What is the concentration of free nickel ions in a solution that contains 0.045 M Ni2+ and 3.0 M NH3 (concentrations refer to the moment before the formation of the complex ion)? 47. A solution is saturated with silver acetate, AgC2H3O2 (Ksp = 1.9 x 10–3). Which of the following reagents will...
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This homework help was uploaded on 03/28/2014 for the course CHEM 123 taught by Professor Larosa during the Spring '06 term at Ohio State.

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