Calculate the molar solubility of Zn(OH)2 in a solution of 0.0167 M K₂SO4.

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Calculate the molar solubility of Zn(OH)2 in a solution of 0.0167 M K₂SO4.
Transcribed Image Text:Calculate the molar solubility of Zn(OH)2 in a solution of 0.0167 M K₂SO4.
Constants:
Kw = 1.0 * 10-14
Ksp for Zn(OH)₂ = 3.0 * 10-16
Ka for Formic Acid (HCOOH) = 1.8 * 104
Ka of Acetic Acid (HOAc) = 1.75 * 10-5
Atomic weight:
Atom
H
F
Pb
AW
1
19
106.4
TABLE 10-2
Activity Coefficients for Ions at 25°C
Atom AW
C
12
Cl
35.5
Ca
40.1
Ion
H₂O+
Li+, CH,COO™
Na, 103, HSO3, HCO3, H₂PO4, H₂AsO4, OAc
OH, F, SCN, HS, CIO, CIO4, BrO3, 103, MnO4
K+, CI, Br, I, CN, NO₂, NO3-, HCOO™
Rb+, Cst, TI, Ag+, NH4+
Mg2+, Be²+
Ca²+, Cu²+, Zn²+, Sn²+, Mn²+, Fe²+, Ni²+, Co²+, Phthalate²-
Sr²+, Ba²+, Cd2+, Hg2+, S²-
Pb²+, CO2, SO², C₂04-
Hg₂+, SO2, S₂O3²-, Cr₂², HPO42-
Al³+, Fe³+, Cr³+, La³+, Ce³+
PO , Fe(CN)63
Th4+, Zr4+, Ce4+, Sn4+
4-
Fe(CN)
Atom
N
Ba
Na
ax, nm
0.9
0.6
0.4-0.45
0.35
0.3
0.25
0.8
0.6
0.5
0.45
0.40
0.9
0.4
1.1
0.5
AW
14
137.3
Atom
O
Sr
23 Mg
Activity Coefficient at Indicated Ionic Strength
0.001
0.05
0.967
0.85
0.966
0.83
0.965
0.82
0.965
0.81
0.965
0.81
0.965
0.80
0.872
0.52
0.870
0.48
0.869
0.46
0.868
0.45
0.867
0.44
0.737
0.24
0.726
0.16
0.587
0.10
0.569
0.047
0.005
0.934
0.930
0.927
0.926
0.925
0.925
0.756
0.748
0.743
0.741
AW
16
87.62
24
0.738
0.540
0.505
0.348
0.305
0.01
0.913
0.907
0.902
0.900
0.899
0.897
0.690
0.676
0.668
0.665
0.661
0.443
0.394
0.252
0.200
0.1
0.83
0.80
0.77
0.76
0.75
0.75
0.44
0.40
0.38
0.36
0.35
0.18
0.095
0.063
0.020
Transcribed Image Text:Constants: Kw = 1.0 * 10-14 Ksp for Zn(OH)₂ = 3.0 * 10-16 Ka for Formic Acid (HCOOH) = 1.8 * 104 Ka of Acetic Acid (HOAc) = 1.75 * 10-5 Atomic weight: Atom H F Pb AW 1 19 106.4 TABLE 10-2 Activity Coefficients for Ions at 25°C Atom AW C 12 Cl 35.5 Ca 40.1 Ion H₂O+ Li+, CH,COO™ Na, 103, HSO3, HCO3, H₂PO4, H₂AsO4, OAc OH, F, SCN, HS, CIO, CIO4, BrO3, 103, MnO4 K+, CI, Br, I, CN, NO₂, NO3-, HCOO™ Rb+, Cst, TI, Ag+, NH4+ Mg2+, Be²+ Ca²+, Cu²+, Zn²+, Sn²+, Mn²+, Fe²+, Ni²+, Co²+, Phthalate²- Sr²+, Ba²+, Cd2+, Hg2+, S²- Pb²+, CO2, SO², C₂04- Hg₂+, SO2, S₂O3²-, Cr₂², HPO42- Al³+, Fe³+, Cr³+, La³+, Ce³+ PO , Fe(CN)63 Th4+, Zr4+, Ce4+, Sn4+ 4- Fe(CN) Atom N Ba Na ax, nm 0.9 0.6 0.4-0.45 0.35 0.3 0.25 0.8 0.6 0.5 0.45 0.40 0.9 0.4 1.1 0.5 AW 14 137.3 Atom O Sr 23 Mg Activity Coefficient at Indicated Ionic Strength 0.001 0.05 0.967 0.85 0.966 0.83 0.965 0.82 0.965 0.81 0.965 0.81 0.965 0.80 0.872 0.52 0.870 0.48 0.869 0.46 0.868 0.45 0.867 0.44 0.737 0.24 0.726 0.16 0.587 0.10 0.569 0.047 0.005 0.934 0.930 0.927 0.926 0.925 0.925 0.756 0.748 0.743 0.741 AW 16 87.62 24 0.738 0.540 0.505 0.348 0.305 0.01 0.913 0.907 0.902 0.900 0.899 0.897 0.690 0.676 0.668 0.665 0.661 0.443 0.394 0.252 0.200 0.1 0.83 0.80 0.77 0.76 0.75 0.75 0.44 0.40 0.38 0.36 0.35 0.18 0.095 0.063 0.020
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