Posted by Anonymous on Tuesday, May 18, 2010 at 5:52pm.
Ag2CrO4 ==> 2Ag^+ + CrO4^-2
Ksp = (Ag^+)^2(CrO4^-2)
Set up an ICE chart, substitute into the Ksp expression and solve for Ksp.
#2 is done the same way.
Post your work if you get stuck.
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