What Is the Concentration of the Acetate Ion of an Aqueous

question 34

Multiple Choice

What is the concentration of the acetate ion of an aqueous solution measured to be 0.20 M acetic acid in 0.20 M hydrochloric acid? (K_a for acetic acid = 1.8 × 10^-5)

• A)3.6 × 10^-5 M
• B)9.0 × 10^-6 M
• C)1.8 × 10^-5 M
• D)7.2 × 10^-5 M
• E)0.20 M

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