What Is the Concentration of C₂O₄^2- in a 0

question 15

Multiple Choice

What is the concentration of C₂O₄^2- in a 0.370 M oxalic acid,H₂C₂O₄,solution? For oxalic acid,Ka₁ = 5.6 × 10^-2 and Ka₂ = 5.1 × 10^-5.

• A)1.2 × 10^-1 M
• B)-3 × 10^-3 M
• C)4.3 × 10^-3 M
• D)5.1 × 10^-5 M
• E)1.4 × 10^-1 M

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