What Is the Hydroxide-Ion Concentration of a 0

question 91

Multiple Choice

What is the hydroxide-ion concentration of a 0.150 M oxalic acid,H₂C₂O₄,solution? For oxalic acid,Ka₁ = 5.6 × 10^-2 and Ka₂ = 5.1 × 10^-5.

• A)3.6 × 10^-12 M
• B)1.1 × 10^-13 M
• C)2.7 × 10^-3 M
• D)1.5 × 10^-13 M
• E)1.0 × 10^-7 M

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