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Homework Statement
For stannous sulfide, SnS, the Ksp = 1.0X10^-25
For manganese sulfide, MnS, the Ksp = 3.0 x 10^-15
Assume a solution contains .01 M Sn^2+ and .01 M Mn^2+. If the sulfide ion (S^2-) concentration is increased gradually without any dilution of the first solution, what will be the molar concentration of Sn^(2+) ion when manganese sulfide first starts to precipitate?
Homework Equations
Ksp = ?
The Attempt at a Solution
I've tried this question in what I, and a few of my friends who are stuck on it with me, consider a logical progression. I ended up with [Sn]