the calcium in a 5.00ml serum sample is precipitated as CaC2O4 with ammonium oxalate. the filtered precipitate is dissolved in acid, the solution is heated, and the oxalate is titrated with 4.00 x 10^-5 M KMnO4, requiring 4.94mL. calculate the concentration of cqlcium in the serum in mg/L  Molar mass Ca= 40.08 g/mol  balanced chemical equation:

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the calcium in a 5.00ml serum sample is precipitated as CaC2O4 with ammonium oxalate. the filtered precipitate is dissolved in acid, the solution is heated, and the oxalate is titrated with 4.00 x 10^-5 M KMnO4, requiring 4.94mL. calculate the concentration of cqlcium in the serum in mg/L 

Molar mass Ca= 40.08 g/mol 

balanced chemical equation: 

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