Ascorbic acid (vitamin C) in a 50.0-mL sample of orange juice was analyzed by an electrochemical method that gave a detector current of 1.78 mA. A standard addition of 0.400 mL of 0.279 M ascorbic acid increased the current to 3.35 mA. Find the concentration of ascorbic acid in the orange juice.

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Ascorbic acid (vitamin C) in a 50.0-mL sample of orange juice was analyzed by an electrochemical method that gave a detector current of 1.78 mA. A standard addition of 0.400 mL of 0.279 M ascorbic acid increased the current to 3.35 mA. Find the concentration of ascorbic acid in the orange juice.

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