(a) Use data from Appendix 2B to calculate the solubility product of Hg₂Cl₂.

(b) Compare this number with the value listed in Table 6I.1 and comment on any difference.

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TABLE 61.1 Solubility Products at 25 °C Compound aluminum hydroxide antimony sulfide barium carbonate fluoride sulfate bismuth sulfide calcium carbonate fluoride hydroxide sulfate chromium(III) iodate copper (1) bromide chloride iodide sulfide copper(II) iodate oxalate sulfide iron(II) hydroxide sulfide iron(III) hydroxide lead(II) bromide chloride Formula Al(OH)3 Sb₂S3 BaCO3 BaF₂ BaSO4 Bi₂S3 CaCO3 CaF₂ Ca(OH)₂ CaSO4 Cr(IO3)3 CuBr CuCl Cul Cu₂S Cu(IO3)2 CuC₂04 CuS Fe(OH)2 FeS Fe(OH)3 PbBr₂ PbCl₂ Ksp 1.0 X 10-33 1.7 X 10-93 8.1 X 107 1.7 x 10-6 1.1 X 10-10 1.0 X 10-97 8.7 X 10-9 4.0 X 10-11 5.5 x 10-6 2.4 x 10-5 5.0 x 10-6 4.2 X 10-8 1.0 X10-6 5.1 X 10-12 2.0 X 10-47 1.4 x 10-7 2.9 X 10-8 1.3 X 10-36 1.6 X 10-14 6.3 X 10-18 2.0 X 10 39 7.9 X 10-5 1.6 X 10-5 Compound lead(II) fluoride iodate iodide sulfate sulfide magnesium ammonium phosphate carbonate fluoride hydroxide mercury(I) chloride iodide mercury (II) sulfide, black sulfide, red nickel (II) hydroxide silver bromide carbonate chloride hydroxide iodide sulfide zinc hydroxide sulfide Formula PbF₂ Pb(103)2 Pbl₂ PbSO4 PbS MgNH₂PO4 MgCO3 MgF₂ Mg(OH)₂ Hg₂Cl₂ Hg₂l₂ HgS HgS Ni(OH)2 AgBr Ag₂CO3 AgCl AgOH Agl Ag₂S Zn(OH)₂ ZnS Ksp 3.7 X 10-8 2.6 X 10-13 1.4 X 10-8 1.6 X 10 8 8.8 X 10-29 2.5 X 10-13 1.0 X 10-5 6.4 X 10 ⁹ 1.1 X 10-11 2.6 X 10-18 1.2 X 10-28 1.6 X 10-52 1.4 x 10-53 6.5 X 10-18 7.7 X 10-13 6.2 X 10-12 1.6 X 10-10 1.5 X 10-8 8 X 10-17 6.3 X 10-51 2.0 X 10-17 1.6 X 10-24