Oxalic Acid Is Diprotic with P K _al = 1

question 51

Multiple Choice

Oxalic acid is diprotic with p K _al = 1.23 and p K _a2 = 4.19. Estimate the pH of a solution of sodium hydrogen oxalate.

• A) pH = 3
• B) pH = 5
• C) pH = 7
• D) pH = 9
• E) pH = 11

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