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Anvisha [2.4K]
3 years ago
5

Describe the buffer capacity of the acetic acid buffer solution in relation to the addition of both concentrated and dilute acid

s and bases. Reference the results in Data Tables 1,2,3, and 4 in your answer.
Chemistry
1 answer:
frosja888 [35]3 years ago
5 0

Answer:

The more concentrated acetic acid buffer has a better buffer capacity because requires more moles of acid or base to change the pH than a more diluted acetic acid buffer.

Explanation:

Buffer capacity is defined as the moles of an acid or base that are needed to change the pH of a buffer in 1 unit.

A more concentrated solution of acetic buffer contains more moles of the acid per liter of solution. A solution that contains more moles of the acetic ion or the acetic acid requires more moles of base or acid to change the pH, that means:

The more concentrated acetic acid buffer has a better buffer capacity because requires more moles of acid or base to change the pH than a more diluted acetic acid buffer.

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From the question we are told that

     The absorbance is  A = 0.347

       The length is  l =  447 nm  =  447 *10^{-7} \ cm

     

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