Question

In: Chemistry

determine the molar solubility of Ba(IO3)2 in 0.02000 M Ba(NO3)2 solution.

determine the molar solubility of Ba(IO3)2 in 0.02000 M Ba(NO3)2 solution.

Solutions

Expert Solution

                         Ba(IO3)2 ---------> Ba^2+ (aq) + 2IO3^-

                                                    s                      2s

                                                    +0.02               

                                                   s+0.02            2s

                      [Ba^2+]     = s+0.02   = 0.02M

                     Ksp     = [Ba^2+][IO3^-]^2

                      4.01*10^-9 = (0.02)(2s)^2

                        s     = 0.000224

molar solubility of Ba(IO3)2 is 0.000224M


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