A Buffer Solution Contains Acetic Acid (HC₂H₃O₂)at a Concentration of 0.225

question 35

Multiple Choice

A buffer solution contains acetic acid (HC₂H₃O₂) at a concentration of 0.225 M and sodium acetate (NaC₂H₃O₂) at a concentration of 0.164 M.The value of K_a for acetic acid is 1.75 × 10⁻⁵.What is the pH of this buffer solution?

• A)0.137
• B)0.862
• C)2.40
• D)4.62
• E)4.76

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