What Is the Concentration of HC₂O₄^- in a 0

question 33

Multiple Choice

What is the concentration of HC₂O₄^- in a 0.300 M oxalic acid,H₂C₂O₄,solution? For oxalic acid,Ka₁ = 5.6 × 10^-2 and Ka₂ = 5.1 × 10^-5.

• A)3.9× 10^-3 M
• B)1.0 × 10^-1 M
• C)1.3 × 10^-1 M
• D)3.9 × 10^-3 M
• E)5.1 × 10^-5 M

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