Solid Nal is slowly added to a solution that is .0040 M in Cu^+. Calculate the [I-] when CuI just begins to precipitate from the solution.

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asked by Taylor
  1. CuI ==> Cu^+ + 2^-

    Ksp = (Cu^+)(I^-)
    You know Ksp, you know I^-, you're left with only one unknown; i.e., (Cu^+). Solve for that.

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    posted by DrBob222

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