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Ksp Problems

1. Write the solubility product expression for the following:

a. PbI2(cr) Pb2+(aq) + 2I-

(aq)

b. Cu3(PO4)2(cr) 3Cu2+(aq) + 2PO4

3-

2. The solubility product constant for silver iodide is 8.32 x 10-17. What is the silver

ion concentration?

3. If [D+] is 2.00 x 10-5M at equilibrium, what is the Ksp for D2A?

4. What is the concentration of beryllium ions in a saturated solution of beryllium

hydroxide? Ksp = 1.58 x 10-22

5. A saturated solution of lead iodide has a lead ion concentration of 1.21 x 10-3M.

What is the Ksp for lead iodide?

6. What is the solubility (M) of AgBr if the Ksp is 5.0 x 10 -13?

7. If the solubility of Li2CO3 is 0.15M, what is its Ksp at this temperature?

8. What is the solubility (M) of PbI2 is the Ksp is 8.5 x 10-9?

9. If the solubility of Ag2CrO4 is 7.2 x 10-5M, what is the Ksp?

10. How many moles of AgCl will dissolve in 500.ml of water if the Ksp =.7 x 10-10?

11. The solubility product constant for lead iodide is 7.08 x 10-9. What is the lead ion

concentration?

12. If [Ag+] is 1.33 x 10-5M at equilibrium, what is the Ksp for AgCl?

13. What is the concentration of aluminum ions in a saturated solution of aluminum

hydroxide? Ksp = 1.26 x 10-33

14. A saturated solution of lead iodide has a lead ion concentration of 1.21 x 10-3M.

What is the Ksp for lead iodide?

15. Find the Ksp of BaCl2 if 0.095 grams can be recovered from 1.0 liter of a

saturated solution.

16. If the Ksp of CuCO3 is 1.7 x 10-7, how many grams could be recovered from 2.0

liters of a saturated solution?

17. You add 1.0 g of Na2CO3 is added to 1.0 liters of a saturated solution of barium

carbonate…calculate the [Ba+2] when equilibrium is re-established.

18. You add 2.2 g Na2CO3 is added to 2.0 liters of a saturated solution of magnesium

carbonate…calculate the [Mg+2] when equilibrium is re-established (Ksp for

magnesium carbonate is 6.82 x 10-6)

19. If 1.00 liter of 0.0200M NaCl is added to 1.00 liter of 0.0100M AgNO3. Will a

precipitate of AgCl form? Show all work to prove your answer!

20. 0.0216 grams of silver nitrate is added to 1.0 liter of 2.0 x 10-3M Na2Cr2O7

solution. Does Ag2Cr2O7 precipitate form? Prove your answer!