What Is the Solubility in Moles Per Liter of AgBr

Multiple Choice

What is the solubility in moles per liter of AgBr in water given that the K_sp is 5.0 x 10^-13?

A) 5.0 x 10 ^{- 13}
B) 2.5 x 10 ^{- 13}
C) 7.1 x 10 ^{- 7}
D) 4.0 x 10 ^{- 6}
E) 2.5 x 10 ^{- 7}