What is the solubility (in g/L) of silver(l) iodide. Agl, at 25 degree C? The so

Question

What is the solubility (in g/L) of silver(l) iodide. Agl, at 25 degree C? The solubility product constant for silver(l) iodide is 8.3 times 10^-17 at 25 degree C. A. 1.9 times 1^-14 g/l B) 9.7 times 10^-15 g/l C) 1.1 times 10^-2 g/l D. 6.5 times 10^-4 g/l E. 2.1 times 10^-6 g/l Suppose 50.00 mL of 2.0 times 10^-5 M Fe(NO_3)_3 is added to 50.00 mL of 2.0 times 10^-4 M KIO_3. Which of the following statements is true? For Fe(IO_3)_3, K_sp = 1.0 times 10^-14. A. A precipitate forms because Q > K_sp. B. A precipitate forms because Q K_sp. D. No precipitate forms because Q

Explanation / Answer

1) answer : E) 2.1 x 10^-6 g/L

AgI   -----------> Ag+ +   I-

                           S         S

Ksp = [Ag+][I-]

8.3 x 10^-17 = S^2

S = 9.11 x 10^-9 M

solubility = 9.11 x 10^-9 x 234.77

solubility = 2.1 x 10^-6 g/L

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