You Have 100 $\times$ 10^-10
K_a for HF = 7 $\times$ 10^-4
K_a for HC₂H₃O₂ = 1

question 58

Multiple Choice

You have 100.0 mL of 0.100 M aqueous solutions of each of the following acids: HCN,HF,HCl,and HC₂H₃O₂.You titrate each with 0.100 M NaOH (aq) .Rank the pHs of each of the solutions when each are titrated to the equivalence point,from highest to lowest pH. K_a for HCN = 6.2 $\times$ 10^-10
K_a for HF = 7.2 $\times$ 10^-4
K_a for HC₂H₃O₂ = 1.8 $\times$ 10^-5

• A)HCN,HC₂H₃O₂,HF,HCl
• B)HCl,HF,HCN,HC₂H₃O₂
• C)HF,HCN,HC₂H₃O₂,HCl
• D)HC₂H₃O₂,HCl,HCN,HF
• E)none of these

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