Ascorbic Acid (Vitamin C, H₂C₆H₆O₆)is a Diprotic Acid

Ascorbic acid (Vitamin C, H₂C₆H₆O₆) is a diprotic acid. In a laboratory exercise, a vitamin C tablet was analyzed by titration using 0.125 M NaOH(aq) . On the average, it required 29.5 mL of the base to neutralize the acid in the one tablet. How many mg of Vitamin C does one tablet contain? Hint: Look at your units when calculating the final answer.

A) 100 mg
B) 162 mg
C) 273 mg
D) 325 mg
E) 649 mg