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11 Dec 2019

Cadmium arsenate, Cd3(AsO4)2 has a Ksp of 2.2×10-33. What is the molar solubility of cadmium arsenate?

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Collen Von
Collen VonLv2
13 Dec 2019

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Related questions

1. A solution is prepared so that the concentrations of manganese(II) nitrate, zinc(II) nitrate, mercury(II) nitrate, and copper(II) nitrate are all 0.100 M. If the solution is slowly titrated with 0.100 M sodium sulfide, which metal sulfide will precipitate first?

zinc sulfide, Ksp = 1.8???10?25

copper(II) sulfide, Ksp = 5.4???10?37

manganese(II) sulfide, Ksp = 2.4???10?14

mercury(II) sulfide, Ksp = 1.8???10?53

2. Calculate molar solubilities, concentrations of constituent ions, and solubilities in grams per liter for the following compounds at 25°C:

[Sn2+] =

[S2?] =

solubility = g SnS/Liter

[Cd2+] =

[PO43?] =

solubility = g Cd3(PO4)2/Liter

tin(II) sulfide, SnS, Ksp = 9.00???10?27

cadmium(II) phosphate, Cd3(PO4)2, Ksp = 2.50???10?33

Solubility-Product Constants at 298 K

Compound Formula Ksp
Aluminium hydroxide Al(OH)3 4.6×10–33
Aluminium phosphate AlPO4 9.84×10–21
Antimony sulfide Sb2S3 1.6×10–93
Arsenic sulfide As2S3 1×10–16
Barium bromate Ba(BrO3)2 2.43×10–4
Barium carbonate BaCO3 2.58×10–9
Barium chromate BaCrO4 1.17×10–10
Barium fluoride BaF2 1.84×10–7
Barium hydroxide octahydrate Ba(OH)2·8H2O 2.55×10–4
Barium iodate Ba(IO3)2 4.01×10–9
Barium iodate monohydrate Ba(IO3)2·H2O 1.67×10–9
Barium molybdate BaMoO4 3.54×10–8
Barium nitrate Ba(NO3)2 4.64×10–3
Barium phosphate Ba3(PO4)2 3.40×10–23
Barium selenate BaSeO4 3.40×10–8
Barium sulfate BaSO4 1.08×10–10
Barium sulfite BaSO3 5.0×10–10
Beryllium hydroxide Be(OH)2 6.92×10–22
Bismuth arsenate BiAsO4 4.43×10–10
Bismuth iodide BiI 7.71×10–19
Cadmium arsenate Cd3(AsO4)2 2.2×10–33
Cadmium carbonate CdCO3 1.0×10–12
Cadmium fluoride CdF2 6.44×10–3
Cadmium hydroxide Cd(OH)2 7.2×10–15
Cadmium iodate Cd(IO3)2 2.5×10–8
Cadmium oxalate trihydrate CdC2O4·3H2O 1.42×10–8
Cadmium phosphate Cd3(PO4)2 2.53×10–33
Cadmium sulfide CdS 1×10–27
Caesium perchlorate CsClO4 3.95×10–3
Caesium periodate CsIO4 5.16×10–6
Calcium carbonate (calcite) CaCO3 3.36×10–9
Calcium carbonate (aragonite) CaCO3 6.0×10–9
Calcium fluoride CaF2 3.45×10–11
Calcium hydroxide Ca(OH)2 5.02×10–6
Calcium iodate Ca(IO3)2 6.47×10–6
Calcium iodate hexahydrate Ca(IO3)2·6H2O 7.10×10–7
Calcium molybdate CaMoO 1.46×10–8
Calcium oxalate monohydrate CaC2O4×H2O 2.32×10–9
Calcium phosphate Ca3(PO4)2 2.07×10–33
Calcium sulfate CaSO4 4.93×10–5
Calcium sulfate dihydrate CaSO4·2H2O 3.14×10–5
Calcium sulfate hemihydrate CaSO4·0.5H2O 3.1×10–7
Chromium(III) hydroxide Cr(OH)3 3×10–29
Cobalt(II) arsenate Co3(AsO4)2 6.80×10–29
Cobalt(II) carbonate CoCO3 1.4×10–13
Cobalt(II) hydroxide (blue) Co(OH)2 5.92×10–15
Cobalt(III) hydroxide Co(OH)3 1.6×10–44
Cobalt(II) iodate dihydrate Co(IO3)2·2H2O 1.21×10–2
Cobalt(II) phosphate Co3(PO4)2 2.05×10–35
Cobalt(II) sulfide CoS 4.0×10–21
Copper(I) bromide CuBr 6.27×10–9
Copper(II) carbonate CuCO3 1.4×10–10
Copper(I) chloride CuCl 1.72×10–7
Copper(I) cyanide CuCN 3.47×10–20
Copper(I) hydroxide CuOH 2×10–15
Copper(I) iodide CuI 1.27×10–12
Copper(I) thiocyanate CuSCN 1.77×10–13
Copper(II) arsenate Cu3(AsO4)2 7.95×10–36
Copper(II) hydroxide Cu(OH)2 1.1×10–15
Copper(II) iodate monohydrate Cu(IO3)2·H2O 6.94×10–8
Copper(II) oxalate CuC2O4 4.43×10–10
Copper(II) phosphate Cu3(PO4)2 1.40×10–37
Copper(II) sulfide CuS 6.3×10–26
Copper(I) sulfide Cu2S 2.5×10–48
Europium(III) hydroxide Eu(OH)3 9.38×10–27
Gallium(III) hydroxide Ga(OH)3 7.28×10–36
Iron(II) carbonate FeCO3 3.13×10–11
Iron(II) fluoride FeF2 2.36×10–6
Iron(II) hydroxide Fe(OH)2 4.87×10–17
Iron(II) sulfide FeS 1.6×10–19
Iron(III) hydroxide Fe(OH)3 2.79×10–39
Iron(III) phosphate dihydrate FePO4·2H2O 9.91×10–16
Lanthanum iodate La(IO3)3 7.50×10–12
Lead(II) bromide PbBr2 6.60×10–6
Lead(II) carbonate PbCO3 7.40×10–14
Lead(II) chloride PbCl2 1.70×10–5
Lead(II) chromate PbCrO4 3×10–13
Lead(II) fluoride PbF2 3.3×10–8
Lead(II) hydroxide Pb(OH)2 1.43×10–20
Lead(II) iodate Pb(IO3)2 3.69×10–13
Lead(II) iodide PbI2 9.8×10–9
Lead(II) oxalate PbC2O4 8.5×10–9
Lead(II) selenate PbSeO4 1.37×10–7
Lead(II) sulfate PbSO4 2.53×10–8
Lead(II) sulfide PbS 8.9×10–29
Lithium carbonate Li2CO3 8.15×10–4
Lithium fluoride LiF 1.84×10–3
Lithium phosphate Li3PO4 2.37×10–11
Magnesium ammonium phosphate MgNH4PO4 3×10–13
Magnesium carbonate MgCO3 6.82×10–6
Magnesium carbonate trihydrate MgCO3·3H2O 2.38×10–6
Magnesium carbonate pentahydrate MgCO3·5H2O 3.79×10–6
Magnesium fluoride MgF2 5.16×10–11
Magnesium hydroxide Mg(OH)2 5.61×10–12
Magnesium oxalate dihydrate MgC2O4·2H2O 4.83×10–6
Magnesium phosphate Mg3(PO4)2 1.04×10–24
Manganese(II) carbonate MnCO3 2.24×10–11
Manganese(II) iodate Mn(IO3)2 4.37×10–7
Manganese(II) hydroxide Mn(OH)2 2×10–13
Manganese(II) oxalate dihydrate MnC2O4·2H2O 1.70×10–7
Manganese(II) sulfide MnS 4.6×10–14
Mercury(I) bromide Hg2Br2 6.40×10–23
Mercury(I) carbonate Hg2CO3 3.6×10–17
Mercury(I) chloride Hg2Cl2 1.43×10–18
Mercury(I) fluoride Hg2F2 3.10×10–6
Mercury(I) iodide Hg2I2 5.2×10–29
Mercury(I) oxalate Hg2C2O4 1.75×10–13
Mercury(I) sulfate Hg2SO4 6.5×10–7
Mercury(I) thiocyanate Hg2(SCN)2 3.2×10–20
Mercury(II) bromide HgBr2 6.2×10–20
Mercury(II) hydroxide Hg(OH)2 3.6×10–26
Mercury(II) iodide HgI2 2.9×10–29
Mercury(II) sulfide HgS 4×10–53
Mercury(I) sulfide Hg2S 1.0×10–47
Neodymium carbonate Nd2(CO3)3 1.08×10–33
Nickel(II) carbonate NiCO3 1.42×10–7
Nickel(II) hydroxide Ni(OH)2 5.48×10–16
Nickel(II) iodate Ni(IO3)2 4.71×10–5
Nickel(II) phosphate Ni3(PO4)2 4.74×10–32
Nickel(II) sulfide NiS 1.1×10–21
Palladium(II) thiocyanate Pd(SCN)2 4.39×10–23
Potassium hexachloroplatinate K2PtCl6 7.48×10–6
Potassium perchlorate KClO4 1.05×10–2
Potassium periodate KIO4 3.71×10–4
Praseodymium hydroxide Pr(OH)3 3.39×10–24
Radium iodate Ra(IO3)2 1.16×10–9
Radium sulfate RaSO4 3.66×10–11
Rubidium perchlorate RbClO4 3.00×10–3
Scandium fluoride ScF3 5.81×10–24
Scandium hydroxide Sc(OH)3 2.22×10–31
Silver(I) acetate AgCH3COO 1.94×10–3
Silver(I) arsenate Ag3AsO4 1.03×10–22
Silver(I) bromate AgBrO3 5.38×10–5
Silver(I) bromide AgBr 5.35×10–13
Silver(I) carbonate Ag2CO3 8.46×10–12
Silver(I) chloride AgCl 1.77×10–10
Silver(I) chromate Ag2CrO4 1.12×10–12
Silver(I) cobalticyanide Ag3Co(CN)6 3.9×10–26
Silver(I) cyanide AgCN 5.97×10–17
Silver(I) iodate AgIO3 3.17×10–8
Silver(I) iodide AgI 8.52×10–17
Silver(I) oxalate Ag2C2O4 5.40×10–12
Silver(I) phosphate Ag3PO4 8.89×10–17
Silver(I) sulfate Ag2SO4 1.20×10–5
Silver(I) sulfite Ag2SO3 1.50×10–14
Silver(I) sulfide Ag2S 3.3×10–50
Silver(I) thiocyanate AgSCN 1.03×10–12
Strontium arsenate Sr3(AsO4)2 4.29×10–19
Strontium carbonate SrCO3 5.60×10–10
Strontium fluoride SrF2 4.33×10–9
Strontium iodate Sr(IO3)2 1.14×10–7
Strontium iodate monohydrate Sr(IO3)2·H2O 3.77×10–7
Strontium iodate hexahydrate Sr(IO3)2·6H2O 4.55×10–7
Strontium oxalate SrC2O4 5×10–8
Strontium phosphate Sr3(PO4)2 1×10–31
Strontium sulfate SrSO4 3.44×10–7
Thallium(I) bromate TlBrO3 1.10×10–4
Thallium(I) bromide TlBr 3.71×10–6
Thallium(I) chloride TlCl 1.86×10–4
Thallium(I) chromate Tl2CrO4 8.67×10–13
Thallium(I) hydroxide Tl(OH)3 1.68×10–44
Thallium(I) iodate TlIO3 3.12×10–6
Thallium(I) iodide TlI 5.54×10–8
Thallium(I) thiocyanate TlSCN 1.57×10–4
Thallium(I) sulfide Tl2S 6×10–22
Tin(II) hydroxide Sn(OH)2 5.45×10–27
Tin(II) sulfide SnS 3.2×10–28
Tin(IV) sulfide SnS2 1×10–70
Yttrium carbonate Y2(CO3)3 1.03×10–31
Yttrium fluoride YF3 8.62×10–21
Yttrium hydroxide Y(OH)3 1.00×10–22
Yttrium iodate Y(IO3)3 1.12×10–10
Zinc arsenate Zn3(AsO4)2 2.8×10–28
Zinc carbonate ZnCO3 1.46×10–10
Zinc carbonate monohydrate ZnCO3·H2O 5.42×10–11
Zinc fluoride ZnF 3.04×10–2
Zinc hydroxide Zn(OH)2 3×10–17
Zinc iodate dihydrate Zn(IO3)2·2H2O 4.1×10–6
Zinc oxalate dihydrate ZnC2O4·2H2O 1.38×10–9
Zinc selenide ZnSe 3.6×10–26
Zinc selenite monohydrate ZnSe·H2O 1.59×10–7
Zinc sulfide (alpha) ZnS 2×10–25
Zinc sulfide (beta) ZnS 3×10–23

(a) If the molar solubility of Cd3(AsO4)2 at 25 oC is 1.15e-07 mol/L, what is the Ksp at this temperature?

Ksp = ??????




(b) It is found that 1.66e-06 g of Ca3(PO4)2 dissolves per 100 mL of aqueous solution at 25 oC. Calculate the solubility-product constant for Ca3(PO4)2.

Ksp = ?????




(c) The Ksp of PbF2 at 25 oC is 3.30e-08. What is the molar solubility of PbF2?

solubility =???????? mol/L

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