Acetic acid has a Ka of 1.8*10^-5. Three acetic acid/ acetate buffer solutions, A, B, and C, wer made using varying concentrations: 1. [acetic acid] ten times greater than [acetate] 2. [acetate] ten times greater than [acetic acid] 3. [acetate] = [acetic acid] Match each buffer to the expected pH pH = 3.74 pH= 4.74 pH = 5.74
Answers: 1
for acetic acid is 
. And, its 
value will be calculated as follows.
![pK_{a} + log \frac{[Salt]}{[Acid]}](/tpl/images/0550/7017/81f72.png)
![\frac{[\text{Acetate}]}{[\text{Acetic acid}]} = \frac{1}{10}](/tpl/images/0550/7017/c529e.png)
![pK_{a} + log \frac{[Acetate]}{[\text{Acetic Acid}]}](/tpl/images/0550/7017/a17de.png)
![\frac{[Acetate]}{\text{Acetic acid}}](/tpl/images/0550/7017/7d291.png)
= 
= 1
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Acetic acid has a Ka of 1.8*10^-5. Three acetic acid/ acetate buffer solutions, A, B, and C, wer mad...
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