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An acidic solution is 9 mM in each of the following metal ions: Sn²+, Co²+, Mn²+, Pb²+. See the Solubility Product Constant Table. (c) At what pH do the metal hydroxides begin to precipitate? Sn(OH)₂ 40 1.89 X Co(OH)₂ 49 7.9 Mn(OH)₂ 49 8.4 Pb(OH)2 495 5.1 X

An acidic solution is 9 mM in each of the following metal ions: Sn²+, Co²+, Mn²+, Pb²+. See the Solubility Product Constant Table. (c) At what pH do the metal hydroxides begin to precipitate? Sn(OH)₂ 40 1.89 X Co(OH)₂ 49 7.9 Mn(OH)₂ 49 8.4 Pb(OH)2 495 5.1 X

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria
Section: Chapter Questions
Problem 102IL: Each pair of ions below is found together in aqueous solution. Using the table of solubility product...
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An acidic solution is 9 mM in each of the following metal ions: Sn²+, Co²+, Mn²+, Pb²+. See the Solubility Product Constant Table. (c) At what pH do the metal hydroxides begin to precipitate? Sn(OH)₂ 40 89 x Co(OH)2 49 7.9 Mn(OH)₂ 49 8.4 Pb(OH)2 4.0 5.1 Substance Ksp at 25 °C Aluminum Al(OH)3 Barium Ba(OH)2 5.0 x 10-³ BaCO3 8.1 x 10-⁹ BaSO4 1.1 x 10-10 Ba3(PO4)2 3.4 x 10-23 Cadmium Cd(OH)2 CdCO3 CdS Calcium 1.9 x 10-33 2.5 x 10-14 5.2 x 10-12 8.0 x 10-27 Ca(OH)2 5.5 x 10-6 CaCO3 4.8 x 10-⁹ Ca3(PO4)2 1.0 × 10-26 CaF2 3.9 x 10-11 Chromium Co(OH)₂ Cr(OH)3 6.3 x 10-31 Cobalt 16 x 10-15 ✓ ✓ x Copper Cu(OH)2 Cu₂S CUCO3 CuS Iron Fe(OH)2 FeS Fe(OH)3 FePO4 Lead Pb(OH)2 PbF2 PbCl₂ PbBr₂ Pbl2 PbCrO4 PbSO4 PbS 2.2 x 10-20 1.6 x 10-48 1.4 x 10-10 6.3 x 10-36 8.0 x 10-16 6.3 x 10-18 2.5 x 10-39 9.9 x 10-29 2.8 x 10-16 3.7 x 10-8 1.7 x 10-5 6.3 x 10-6 6.5 x 10-9 1.8 x 10-14 1.7 x 10-8 8.4 x 10-28 Magnesium Manganese Mn(OH)2 MnCO3 MnS Nickel Ni(OH)2 Silver AgCl AgBr Agl AgCN Ag₂S Ag₂ CrO4 Ag3PO4 Tin Sn(OH)2 SnS Zinc ZnCO3 Zn(OH)2 1.9 × 10-13 8.8 x 10-11 5.6 x 10-16 1.6 x 10-14 1.8 x 10-10 5.0 x 10-13 8.3 x 10-17 1.2 x 10-16 6.3 x 10-50 1.1 x 10-12 2.6 x 10-18 1.4 x 10-28 1.3 x 10-23 1.0 × 10-10 4.5 x 10-17
Transcribed Image Text:An acidic solution is 9 mM in each of the following metal ions: Sn²+, Co²+, Mn²+, Pb²+. See the Solubility Product Constant Table. (c) At what pH do the metal hydroxides begin to precipitate? Sn(OH)₂ 40 89 x Co(OH)2 49 7.9 Mn(OH)₂ 49 8.4 Pb(OH)2 4.0 5.1 Substance Ksp at 25 °C Aluminum Al(OH)3 Barium Ba(OH)2 5.0 x 10-³ BaCO3 8.1 x 10-⁹ BaSO4 1.1 x 10-10 Ba3(PO4)2 3.4 x 10-23 Cadmium Cd(OH)2 CdCO3 CdS Calcium 1.9 x 10-33 2.5 x 10-14 5.2 x 10-12 8.0 x 10-27 Ca(OH)2 5.5 x 10-6 CaCO3 4.8 x 10-⁹ Ca3(PO4)2 1.0 × 10-26 CaF2 3.9 x 10-11 Chromium Co(OH)₂ Cr(OH)3 6.3 x 10-31 Cobalt 16 x 10-15 ✓ ✓ x Copper Cu(OH)2 Cu₂S CUCO3 CuS Iron Fe(OH)2 FeS Fe(OH)3 FePO4 Lead Pb(OH)2 PbF2 PbCl₂ PbBr₂ Pbl2 PbCrO4 PbSO4 PbS 2.2 x 10-20 1.6 x 10-48 1.4 x 10-10 6.3 x 10-36 8.0 x 10-16 6.3 x 10-18 2.5 x 10-39 9.9 x 10-29 2.8 x 10-16 3.7 x 10-8 1.7 x 10-5 6.3 x 10-6 6.5 x 10-9 1.8 x 10-14 1.7 x 10-8 8.4 x 10-28 Magnesium Manganese Mn(OH)2 MnCO3 MnS Nickel Ni(OH)2 Silver AgCl AgBr Agl AgCN Ag₂S Ag₂ CrO4 Ag3PO4 Tin Sn(OH)2 SnS Zinc ZnCO3 Zn(OH)2 1.9 × 10-13 8.8 x 10-11 5.6 x 10-16 1.6 x 10-14 1.8 x 10-10 5.0 x 10-13 8.3 x 10-17 1.2 x 10-16 6.3 x 10-50 1.1 x 10-12 2.6 x 10-18 1.4 x 10-28 1.3 x 10-23 1.0 × 10-10 4.5 x 10-17
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