Question

1) Write the solubility-product expression for the following mercury salts: Hg2Cl2 and HgCl2.

2) Exactly 0.133 mg of AgBr will dissolve in 1.00 L of water. What is the value of Ksp for AgBr?

3) By experiment, it is found that 1.2 x 10-3 mol of lead (II) iodide, PbI2, dissolves in 1.0 L of water at 25°C. What is the Ksp at this temperature?

4) What is the molar solubility of silver chloride in 1.0 L of solution that contains 2.0 x 10-2 mol of HCl? We give: Ksp(AgCl) = 1.8 x 10-10 at 25oC.

5) One form of kidney stones is calcium phosphate, Ca3(PO4)2, which has a Ksp of 1.0 ×10 −26

6) What is the concentration of Ag+(aq) ion in 0.010 M AgNO3 that is also 1.00 M NH3? The Kf 2+ 7 for Ag(NH3) is 1.7 x 10 .

7) Will silver bromide precipitate from a solution containing 0.010 M AgNO3, 0.010 NaBr, and 1.00 M NH3? We give constants at 25oC: Ksp (AgBr) = 5.0 x 10-13; Kd(Ag(NH3)2+) = 5.9 x 10-8

8) Calculate the molar solubility of AgBr in 1.0 M NH3 at 25oC. We give constants at 25oC: Ksp (AgBr) = 5.0 x 10-13; Kd(Ag(NH3)2+) = 5.9 x 10-8

Answer 1

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