What Is the Smallest Amount of Solid NaOH Shown That

question 49

Multiple Choice

What is the smallest amount of solid NaOH shown that will exceed the buffer capacity of 500 mL of a buffer that is 0.40 M in acetic acid and 0.15 M in sodium acetate. (K_a for acetic acid = 1.8 × 10^-5.)

• A) 8.00 g
• B) 5.16 g
• C) 4.74 g
• D) 4.31 g
• E) 3.00 g

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