Minimum Concentrations - Urgent help!

What is the minimum concentration?
Determine the minimum concentration of the precipitating agent on the right to cause precipitation of the cation from the solution on the left.

8.0 x 10^-2 CaI2, K2SO4

1.5 x 10^-3 AgNO3, RbCl

The Ksp values for both are Ksp = 2.4*10-6 for CaSO4, and Ksp = 1.8*10-10 for AgCl.

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asked by Amy
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    posted by Jim
  2. 8.0×10−2 M CaI2;K2SO4

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    posted by maka

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