HOAc K_a = 1.8 ×10^-5

question 69

Multiple Choice

HOAc K_a = 1.8 ×10^-5
H₂CO₃ K_a1 = 4.3 × 10^-7, K_a2 = 5.6 × 10^-11
Which of the following 0.01 M solutions has the highest pH?

• A) HOAc
• B) NaHCO₃
• C) H₂CO₃
• D) NaOAc
• E) Na₂CO₃

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