If 13 X 10 ^{- 5} Moles of AgCl Will Dissolve

Multiple Choice

If 1.3 x 10 ^{- 5} moles of AgCl will dissolve in 1.0 liter of water at 25-C, what is the K_sp of AgCl?

A) 5.1 x 10 ^{- 9}
B) 3.6 x 10 ^{- 3}
C) 6.4 x 10 ^{- 5}
D) 1.3 x 10 ^{- 5}
E) 1.7 x 10^-10