[meenu]

Question =
what is the minimum volume of a .00100 N chloride solution that must be added to 100 mL of 7.20 x 10^-5 M Ag+ solution for AgCl to precipitate?
given that Ksp (AgCl)= 1.80 x 10^-10

As Ksp = [Ag] [Cl]

[Borek]

You just don't ask. You try, you tell us what you did, we push you in the right direction.