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(Solved): A solution has a [Fe2+] of 0.0200 M.
What concentration of the sulfide ion (in M) is needed b ...
A solution has a [Fe2+] of 0.0200 M.
What concentration of the sulfide ion (in M) is needed before precipitation begins?
Hint: The Ksp of FeS is 3.72 x 10?10.
5.38 x 10?7
7.44 x 10?12
1.93 x 10?5
1.86 x 10?8