2. What is the pH of a buffer that is initially 0.050 Macetic acid (Ka =...

Question

Question

2. What is the pH of a buffer that is initially 0.050 Macetic acid (Ka = 1.8 x 10-5) and 0.025 M sodium acetate? A. 4.4 B. 4.

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Answer 1

Answer #1

[salt] pH pka +log [ Acid] pH = pka tog [CH COONa] [CH, Cool] ka= 1.8x105 pra_ -log ką log (1.8x103) = 4.745 0.025 pH = 4.745

Answer 2

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