# Question 17Calculate the change in pH when 57.0 mL of a 0.520 M  solution of NaOH is added to 1.00 L of a solution that is 1.00 M  in sodium acetate and 1.00 M  in acetic acid.

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Question 17

Calculate the change in pH when 57.0 mL of a 0.520 M  solution of NaOH is added to 1.00 L of a solution that is 1.00  in sodium acetate and 1.00  in acetic acid.

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Step 1

pH of a given solution is used to determine the concentration of H+ ions in the given solution so as to determine its acidity or basicity.

Buffer solutions are the mixtures containing a weak acid and its conjugate base or they may also contain a mixture of a weak base and a conjugate acid. Say for example a solution of acetic acid and sodium acetate can also be regarded as a buffer. These solutions have the property to resist change in the pH of the solution even when very small amounts of strong base or a strong acid is added.

Step 2

First we will determine the initial pH of the buffer solution.

Step 3

Volume of the solution is 1L or 1000mL

The pH of a buffer solut...

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