Calcium ion was titrated with EDTA at pH 11, using Calmagite as indicator (Table 11-3)
Chapter 11, Problem 11-25(choose chapter or problem)
Calcium ion was titrated with EDTA at pH 11, using Calmagite as indicator (Table 11-3). Which is the principal species of Calmagite at pH 11? What color was observed before the equivalence point? After the equivalence point?
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