Vitamin C in a 50.0mL sample of lemon juice was analyzed by an electrochemical method to get a detecting current of 1.78HA. A standard addition of 0.400mL of 0.279M Vitamin C increased the current to 3.35HA. Find the concentration of Vitamin C in the juice? Select one: a. 0.0039M O b. 0.00229M Oc. 0.0046M O d. 0.0246M

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