Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOHKOH required for precipitation to begin in each case. 1. 0.010 MM CaCl2CaCl2 (Ksp=4.68×10−6Ksp=4.68×10−6 for Ca(OH)2Ca(OH)2) 2. 0.0020 MM Fe(NO3)2Fe(NO3)2 (Ksp=4.87×10−17Ksp=4.87×10−17 for Fe(OH)2Fe(OH)2) 3. 0.0016 MM MgBr2MgBr2 (Ksp=2.06×10−
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Potassium hydroxide is used to precipitate each of the cations from their respective solution. Determine the minimum concentration of KOHKOH required for precipitation to begin in each case.
1. 0.010 MM CaCl2CaCl2 (Ksp=4.68×10−6Ksp=4.68×10−6 for Ca(OH)2Ca(OH)2)
2. 0.0020 MM Fe(NO3)2Fe(NO3)2 (Ksp=4.87×10−17Ksp=4.87×10−17 for Fe(OH)2Fe(OH)2)
3. 0.0016 MM MgBr2MgBr2 (Ksp=2.06×10−13Ksp=2.06×10−13 for Mg(OH)2Mg(OH)2)
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