2. 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. Buffer 1: Buffer 2: Buffer 3: a. 1 M acetic acid 10 mL 50 mL 90 mL Which of these statements is true of the resulting buffers? pH of buffer 1 < pH of buffer 2 < pH of buffer 3 pH of buffer 1 = pH of buffer 2 = pH of buffer 3 pH of buffer 1 > pH of buffer 2 > pH of buffer 3 b. Which solution resists changes in pH most effectively? (i) (ii) (iii) 1 M sodium acetate 90 mL 50 mL 10 mL

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2. 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.
Buffer 1:
Buffer 2:
Buffer 3:
1 M acetic acid
10 mL
50 mL
90 mL
(i)
(ii)
(iii)
1 M sodium acetate
90 mL
50 mL
10 mL
a. Which of these statements is true of the resulting buffers?
pH of buffer 1 < pH of buffer 2 < pH of buffer 3
pH of buffer 1 = pH of buffer 2 = pH of buffer 3
pH of buffer 1 > pH of buffer 2 > pH of buffer 3
b. Which solution resists changes in pH most effectively?
Transcribed Image Text:2. 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. Buffer 1: Buffer 2: Buffer 3: 1 M acetic acid 10 mL 50 mL 90 mL (i) (ii) (iii) 1 M sodium acetate 90 mL 50 mL 10 mL a. Which of these statements is true of the resulting buffers? pH of buffer 1 < pH of buffer 2 < pH of buffer 3 pH of buffer 1 = pH of buffer 2 = pH of buffer 3 pH of buffer 1 > pH of buffer 2 > pH of buffer 3 b. Which solution resists changes in pH most effectively?
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