A Buffer Is Prepared by Mixing 200

question 13

Multiple Choice

A buffer is prepared by mixing 200.0 mL of 0.1500 M NaOH with 200.0 mL of 0.200 M CH₃CO₂H in a 1-L volumetric flask and then diluted to volume with distilled deionized water.Calculate the pH of the buffer.K_a = 1.75 × 10⁻⁵

• A)5)23
• B)9)72
• C)7)00
• D)8)77
• E)4)28

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