Problem 1
Which of the following will affect the total amount of solute that can dissolve in a given amount of solvent? a. The solution is stirred. b. The solute is ground to fine particles before dissolving. c. The temperature changes.
Problem 7
Which is more likely to dissolve in an acidic solution, silver sulfide or silver chloride? Why?
Problem 13
The common ion effect for ionic solids (salts) is to significantly decrease the solubility of the ionic compound in water. Explain the common ion effect.
Problem 14
Sulfide precipitates are generally grouped as sulfides insoluble in acidic solution and sulfides insoluble in basic solution. Explain why there is a difference between the two groups of sulfide precipitates.
Problem 15
List some ways one can increase the solubility of a salt in water.
Problem 16
The stepwise formation constants for a complex ion usually have values much greater than \(1 .\) What is the significance of this?
Problem 17
Silver chloride dissolves readily in \(2 M \mathrm{NH}_{3}\) but is quite insoluble in \(2 M \mathrm{NH}_{4} \mathrm{NO}_{4} .\) Explain.
Problem 19
Write balanced equations for the dissolution reactions and the corresponding solubility product expressions for each of the following solids. a. \(\mathrm{AgC}_{2} \mathrm{H}_{3} \mathrm{O}_{2}\) b. \(\mathrm{Al}(\mathrm{OH})_{3}\) c. \(\mathrm{Ca}_{3}\left(\mathrm{PO}_{4}\right)_{2}\)
Problem 20
Write balanced equations for the dissolution reactions and the corresponding solubility product expressions for each of the following solids. a. \(\mathrm{Ag}_{2} \mathrm{CO}_{3}\) b. \(\mathrm{Ce}\left(\mathrm{IO}_{3}\right)_{3}\) c. \(\mathrm{BaF}_{2}\)
Problem 31
Calculate the molar solubility of \(\mathrm{Mg}(\mathrm{OH})_{2}, K_{\mathrm{sp}}=8.9 \times 10^{-12}\)