Rank the Following 0

question 64

Multiple Choice

Rank the following 0.100 M solutions in order of increasing H₃O⁺ concentration: HCN, K_a = 6.2 x 10^-10; NH₄⁺, K_a = 5.6 x 10^-10; CH₃CO₂H, K_a = 1.8 x 10^-5

• A)HCN < NH₄⁺ < CH₃CO₂H
• B)HCN < CH₃CO₂H < NH₄⁺
• C)CH₃CO₂H < NH₄⁺ < HCN
• D)CH₃CO₂H < HCN < NH₄⁺

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