A 125 ML Sample of Orange Juice Was Titrated Using $\rightarrow$

question 43

Multiple Choice

A 125 mL sample of orange juice was titrated using a redox reaction to the equivalence point with the addition of 7.6 mL of a 0.0025M iodine (I₂) solution. What is the concentration of vitamin C (C₆H₈O₆) in this sample?
C₆H₈O₆(aq) + I₂(aq) $\rightarrow$ C₆H₆O₆(aq) + 2I^-(aq) + 2H⁺(aq)

• A) 30 mM
• B) 15 mM
• C) 19 mM
• D) 0.30 mM
• E) 0.15 mM

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