A solution is 0.022 M in Fe2+ and 0.014 M in Mg2+ . a. If potassium carbonate is used to
Chapter 16, Problem 108(choose chapter or problem)
A solution is 0.022 M in Fe2+ and 0.014 M in Mg2+ . a. If potassium carbonate is used to selectively precipitate one of the cations while leaving the other cation in solution, which cation will precipitate fi rst? What minimum concentration of K2CO3 will trigger the precipitation of the cation that precipitates fi rst? b. What is the remaining concentration of the cation that precipitates fi rst, when the other cation begins to precipitate?
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