Chapter16: Solubility And Complex Ion Equilibria
Section: Chapter Questions
Problem 60E: A solution contains 0.25 M Ni(NO3)2 and 0.25 M Cu(NO3)2. Can the metal ions be separated by slowly...
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Transcribed Image Text:A lab technician adds 0.15 mol of KOH to 1.00 L of 0.010 M
Ca(NO3)2. Ksp=6.5×10-6 for Ca(OH)2. Which of the following
statements is correct?
Calcium hydroxide precipitates until the solution is saturated.
The presence of KOH will raise the solubility of Ca(NO3)2
The solution is unsaturated and no precipitate forms.
The concentration of calcium ions is reduced by the addition of
the hydroxide ions.
One must know Ksp for calcium nitrate to make meaningful
predictions on this system.
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