If a solution of 0.10 M Mn²+ and 0.10 M Cd²+ is gradually made basic, what will the concentration of Cd²+ be when Mn(OH)2 just begins to precipitate? Assume no change in the volume of the solution. For Mn(OH)2, Ksp = 1.6 × 10-13 and for Cd (OH)2, Ksp 7.2 x 10-15; thus, Mn(OH)2 is more soluble than = Cd (OH) 2. [Cd²+] =

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Chapter17: Solubility And Complex-ion Equilibria
Section: Chapter Questions
Problem 17.106QP
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If a solution of 0.10 M Mn²+ and 0.10 M Cd²+ is
gradually made basic, what will the concentration of
Cd²+ be when Mn(OH)2 just begins to precipitate?
Assume no change in the volume of the solution.
For Mn(OH)2, Ksp = 1.6 × 10-13 and for Cd(OH)2, Ksp =
7.2 x 10-15; thus, Mn(OH)2 is more ◆soluble than
Cd (OH) 2.
[Cd²+] =
M
Transcribed Image Text:If a solution of 0.10 M Mn²+ and 0.10 M Cd²+ is gradually made basic, what will the concentration of Cd²+ be when Mn(OH)2 just begins to precipitate? Assume no change in the volume of the solution. For Mn(OH)2, Ksp = 1.6 × 10-13 and for Cd(OH)2, Ksp = 7.2 x 10-15; thus, Mn(OH)2 is more ◆soluble than Cd (OH) 2. [Cd²+] = M
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