Multiple Choice
A 20.0-mL sample of 0.50 M H2C6H6O6 (ascorbic acid, a diprotic acid) was titrated with 0.50 M NaOH. The following data were gathered during the titration. 
What is Ka2 for ascorbic acid?
A) 6.8 *10¯5
B) 6.2 * 10¯6
C) 6.2 * 10¯7
D) 6.2 * 10¯8
E) 2.8 * 10¯12
Correct Answer:
Verified
Correct Answer:
Verified
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