Question
Asked Nov 14, 2019
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Determine the pH of a solution that is 0.15 M CH3COOH and 0.30 M CH3COONa.
 

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Expert Answer

Step 1

Given

The concentration of Acetic acid = 0.15M

The concentration of sodium acetate = 0.30M

Step 2

The above given solution is a weak acid- strong base buffer solution.

The pH of the buffer solution is calculated using the Henderson equation which is

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salt] log [acid] pH=pk

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Step 3

Now, the ka of the acetic acid = 1.7 x 10-5

The ...

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pk log (k, -log (1.7x10 -4.76

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