Asked by Kehinde
Why is phenolphthalein and methyl orange not used as indicator in dictator of calcium
Answers
Answered by
DrBob222
Both MO and phenolphthalein are indicators of pH of a solution; i.e., both are acid/base indicators. The calcium/EDTA titration is not an acid/base titration. The Ca/EDTA titration is a complexometric one.
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