Each pair of ions below is found together in aqueous solution. Using the table of solubility product
Question:
Each pair of ions below is found together in aqueous solution. Using the table of solubility product constants in Appendix J, devise a way to separate these ions by adding a reagent to precipitate one of the ions as an insoluble salt and leave the other in solution.
(a) Cu2+ and Ag+
(b) Al3+ and Fe3+
Data given in Appendix J
Transcribed Image Text:
TABLE 18A Solubility Product Constants at 25 °C Cation Compound Cation Ba²+ Hg₂²+ Ca²+ Cut, Cu²+ Au+ Fe²+ Pb²+ Mg²+ Mn²+ *BaCrO4 BaCO3 BaF₂ *BaSO4 CaCO3 (calcite) *CaF2 *Ca(OH)₂ CaSO4 CuBr Cul Cu(OH)2 CuSCN AuCl FeCO3 Fe(OH)2 PbBr₂ PbC03 PbCl₂ PbCrO4 PbF₂ Pbl₂ Pb(OH)2 PbSO4 MgCO3 MgF2 Mg(OH)2 MnCO3 *Mn(OH)2 Ksp 1.2 x 10-10 2.6 x 10-9 1.8 x 10-7 1.1 x 10-10 3.4 x 10-9 5.3 x 10-11 5.5 x 10-5 4.9 × 10-5 6.3 x 10-9 1.3 x 10-12 2.2 x 10-20 1.8 x 10-13. 2.0 x 10-13 3.1 x 10-11 4.9 × 10-17 6.6 x 10-6 7.4 x 10-14 1.7 x 10-5 10-13 2.8 x 3.3 x 10-8 9.8 x 10-9 1.4 x 10-15 2.5 x 10-8 6.8 x 10-6 5.2 x 10-11 5.6 x 10-12 2.3 x 10-11 1.9 × 10-13 Ni²+ Ag+ Sr²+ TI+ Zn²+ Compound *Hg₂Br₂ Hg₂Cl₂ *Hg₂l2 Hg₂SO4 NICO3 Ni(OH)2 *AgBr *AgBrO3 AgCH3CO2 AgCN Ag₂CO3 *Ag₂C204 *AgCl Ag₂ CrO4 *Agl AgSCN *Ag2SO4 SrCO3 SrF₂ SrSO4 TIBr TICI TII Zn(OH)₂ Zn(CN)₂ Ksp 6.4 x 10-23 1.4 x 10-18 2.9 x 10-29 6.5 x 10-7 1.4 x 10-7 5.5 x 10-16 5.4 x 10-13 5.4 x 10-5 1.9 x 10-3 6.0 x 10-17 8.5 x 10-15 5.4 x 10-12 1.8 x 10-10 1.1 x 10-12 8.5 x 10-17 1.0 x 10-12 1.2 x 10-5 5.6 x 10-10 4.3 x 10-9 3.4 x 10-7 3.7 x 10-6 1.9 x 10-4 5.5 x 10-8 3 x 10-17 8.0 x 10-12
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Related Book For
Chemistry And Chemical Reactivity
ISBN: 9780357001172
10th Edition
Authors: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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