The molar solubility of AgCl in 6.5 x 10^-3 M AgNO3 is 2.5 x 10^-8 M. In deriving Ksp from these data, which of the following assumptions are reasonable?
A) Ksp is the same as solubility.

B) Ksp of AgCl is the same in 6.5 x 10^-3 M AgNO3 as in pure water.

C) Solubility of AgCl is independent of the concentration of AgNO3.

D) [Ag+] in solution does not change significantly upon the addition of AgCl to 6.5 x 10^-3 M AgNO3.

E) [Ag+] in solution after the addition of AgCl to 6.5 x 10^-3 M AgNO3 is the same as it would be in pure water.
?? D: I have no idea, OS is my last hope

Question

The molar solubility of AgCl in 6.5 x 10^-3 M AgNO3 is 2.5 x 10^-8 M. In deriving Ksp from these data, which of the following assumptions are reasonable? 
A) Ksp is the same as solubility. 

B) Ksp of AgCl is the same in 6.5 x 10^-3 M AgNO3 as in pure water. 

C) Solubility of AgCl is independent of the concentration of AgNO3. 

D) [Ag+] in solution does not change significantly upon the addition of AgCl to 6.5 x 10^-3 M AgNO3.

 E) [Ag+] in solution after the addition of AgCl to 6.5 x 10^-3 M AgNO3 is the same as it would be in pure water.
?? D: I have no idea, OS is my last hope