An acidic solution is 9 mM in each of the following metal lons: Sn²", Co², M², Pb, See the Solubility Product Constant Table

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ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter17: Solubility And Complex-ion Equilibria
Section: Chapter Questions
Problem 17.75QP
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An acidic solution is 9 mM in each of the following metal lons: Sn²+, Co², Mn²+, Pb²+, See the Solubility Product Constant Table.
(c) At what pH do the metal hydroxides begin to precipitate?
Sn(OH)₂
1.89
Co(OH)₂
7.9
Mn(OH)₂
Pb(OH)₂ 15.1
Substance Ksp at 25 °C
Aluminum
Al(OH)3
Barium
Ba(OH)2
BaCO3
BaSO4
Ca(OH)2
CdCO3
CdS
1.9 x 10-33
1.1 x 10-10
Ba3(PO4)2 3.4 x 10-23
Cadmium
Calcium
5.0 x 10-3
8.1 x 10-9
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 x 10-26
CaF2
3.9 x 10-11
Chromium
x
FeS
Fe(OH)3
FePO4
Lead
Pb(OH)2
PbF2
PbCl₂
PbBr₂
Pbl₂
PbCrO4
PbSO4
PbS
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
Mg(OH)2 1.8 x 10-11
Manganese
Nickel
Mn(OH)2 1.9 x 10-13
MnCO3
8.8 x 10-11
MnS
5.6 x 10-16
Chromium
Cr(OH)3
Cobalt
CO(OH)2
Cos
Copper
Cu(OH)2
Cu₂S
CUCO3
CUS
Iron
Fe(OH)2
6.3 x 10-31
1.6 x 10-15
4.0 x 10-21
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
MIS
Nickel
NI(OH)₂
Silver
AgCl
AgBr
5.6 x 10
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
Agl
AgCN
Ag₂S
Ag₂CrO4 1.1 x 10-12
Ag3PO4
Tin
Sn(OH)₂
2.6 x 10-18
14 x 10-28
Tin
Sn(OH)2
SnS
Zinc
ZnCO3
Zn(OH)2
ZnS
1.4 x 10-28
1.3 x 10-23
1.0 x 10-10
4.5 x 10-17
1.1 x 10-21
Transcribed Image Text:An acidic solution is 9 mM in each of the following metal lons: Sn²+, Co², Mn²+, Pb²+, See the Solubility Product Constant Table. (c) At what pH do the metal hydroxides begin to precipitate? Sn(OH)₂ 1.89 Co(OH)₂ 7.9 Mn(OH)₂ Pb(OH)₂ 15.1 Substance Ksp at 25 °C Aluminum Al(OH)3 Barium Ba(OH)2 BaCO3 BaSO4 Ca(OH)2 CdCO3 CdS 1.9 x 10-33 1.1 x 10-10 Ba3(PO4)2 3.4 x 10-23 Cadmium Calcium 5.0 x 10-3 8.1 x 10-9 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 x 10-26 CaF2 3.9 x 10-11 Chromium x FeS Fe(OH)3 FePO4 Lead Pb(OH)2 PbF2 PbCl₂ PbBr₂ Pbl₂ PbCrO4 PbSO4 PbS 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 Mg(OH)2 1.8 x 10-11 Manganese Nickel Mn(OH)2 1.9 x 10-13 MnCO3 8.8 x 10-11 MnS 5.6 x 10-16 Chromium Cr(OH)3 Cobalt CO(OH)2 Cos Copper Cu(OH)2 Cu₂S CUCO3 CUS Iron Fe(OH)2 6.3 x 10-31 1.6 x 10-15 4.0 x 10-21 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 MIS Nickel NI(OH)₂ Silver AgCl AgBr 5.6 x 10 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 Agl AgCN Ag₂S Ag₂CrO4 1.1 x 10-12 Ag3PO4 Tin Sn(OH)₂ 2.6 x 10-18 14 x 10-28 Tin Sn(OH)2 SnS Zinc ZnCO3 Zn(OH)2 ZnS 1.4 x 10-28 1.3 x 10-23 1.0 x 10-10 4.5 x 10-17 1.1 x 10-21
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