Explain what is ka2 for ascorbic acid

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Reference no: EM13678306

A 20.0mL sample of 0.50 M H2C6H6O6 ascorbic acid, a diprotic acid was titrated with .50 M NaOH. The subsequent data were gathered during the titration. Explain what is Ka2 for ascorbic acid?
mL NaOH added and Corresponding pH:

10.00 mL, pH of 4.17

20.00 mL, pH of 5.21

30.00 mL, pH of 11.55

40.00 mL, pH of 12.89

Reference no: EM13678306

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