Solubility Equilibrium- Ksp
1. Find the solubility of AgCl (Ksp = 1.6 X 10-10.) in:
a. moles/liter
b. grams/liter
2. How many grams of PbI2 will dissolve in one liter of water at 25°C? Ksp = 1.4 X 10-8.
3. The solubility of CuI in water is 2.3 X 10-6M at 25°C. Calculate the Ksp for CuI at 25°C.
4. The solubility of Ag2SO4 at 25°C is 1.44X 10-2M. Calculate the Ksp for Ag2SO4 at 25°C.
5. One grame of CaCO3 is placed in a liter of water at 25°C. Will it dissolve? Ksp = 8.7 X 10-9.
6. Rank the following solids in order of decreasing solubility. Look it up.
AgCl
CaSO4
AgBr
SrSO4
7. A solution is prepared by mixing 50.0 ml of 1.0 X 10-3M Ca(NO3)2 and 50.0ml of 1.0 X 10-2M Na2SO4.
Will CaSO4 precipitate? Ksp = 6.1 X 10-5.
8. A solution is saturated with BaSO4. The [Ba+2] in this solution is 1.0 X 10-5M. Calculate the value of Ksp
for BaSO4.
9. Determine the solubility of AgCl (Ksp = 1.6 X 10-10) that also contains 1.0 X 10-3M NaCl. Compare this
solubility to the solubility of AgCl in water that you calculated in Problem #1.
10. The solubility of Mg(OH)2 is 8.34 X 10-5 g/10.0ml at 25°C. Find the value of Ksp.