Refer to the K_sp values in Table 18.2 to calculate the molar solubility of each compound in pure water.

a. MX (Ksp = 1.27 * 10^-36)

b. Ag₂CrO₄

c. Ca(OH)₂

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TABLE 18.2 Selected Solubility Product Constants (Ksp) at 25 °C Compound Formula Ksp Compound Barium fluoride 2.45 x 10-5 Lead(II) chloride Lead(II) bromide Lead(II) sulfate Lead(II) sulfide* Barium sulfate Calcium carbonate Calcium fluoride Calcium hydroxide Calcium sulfate BaF₂ BaSO4 CaCO3 CaF₂ Ca(OH)₂ CaSO4 1.46 x 10-10 4.68 x 10-6 7.10 x 10-5 Copper(II) sulfide* 1.27 x 10-36 Iron(II) carbonate 3.07 x 10-11 Iron(II) hydroxide 4.87 x 10-17 Iron(II) sulfide* 3.72 x 10-19 *Sulfide equilibrium is of the type: MS(s) + H₂O(1) M²+ (aq) + HS (aq) + OH(aq) CuS FeCO3 Fe(OH)2 1.07 x 10-10 4.96 x 10-⁹ FeS Magnesium carbonate Magnesium hydroxide Silver chloride Silver chromate Silver bromide Silver iodide Formula PbCl₂ PbBr₂ PbSO4 PbS MgCO3 Mg(OH)2 AgCl Ag₂CrO4 AgBr Agl Ksp 1.17 x 10-5 4.67 x 10-6 1.82 x 10-8 9.04 x 10-2⁹ 6.82 x 10-6 2.06 x 10-13 1.77 x 10-10 1.12 x 10-12 5.35 x 10-13 8.51 x 10-17