Three Buffers Are Made by Combining a 1 M Solution

question 30

Multiple Choice

Three buffers are made by combining a 1 M solution of acetic acid with a 1 M solution of sodium acetate in the ratios shown below.

Which of these statements is true of the resulting buffers?

• A)pH of buffer 1 < pH of buffer 2 < pH of buffer 3
• B)pH of buffer 1 = pH of buffer 2 = pH of buffer 3
• C)pH of buffer 1 > pH of buffer 2 > pH of buffer 3
• D)The problem cannot be solved without knowing the value of pK_a.
• E)None of the above

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