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Calcium is determined in serum by titration with EDTA. A 10.00 mL sample is treated with two drops of 2 M KOH, Cal-Red indicator is

Calcium is determined in serum by titration with EDTA. A 10.00 mL sample is treated with two drops of 2 M KOH, Cal-Red indicator is added, and the titration is performed with 0.122 M EDTA. If 2.05 mL EDTA is required for titration, what is the calcium level in the serum in mg/L.

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