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Concentration of acetic acid: 1.041M and concentration of sodium acetate is 1.071M. The buffer is created by...

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Chemistry

Concentration of acetic acid: 1.041M and concentration of sodiumacetate is 1.071M.

The buffer is created by mixing 100mL of acetic acid with 100mLof sodium acetate soluiton.

a) What is the pH of 75mL of the buffer solution after theaddition of 1mL of 3M NaOH?

b) What is the pH of 75mL of the buffer solution after theaddition of 5mL of 3M NaOH?

c) What is the pH of 75mL of the buffer solution after theaddition of 15mL of 3M NaOH?

d) Calculate the volume of 3M HCl needed to change the pH of75mL of the buffer solution by one pH unit (buffer capacity).

PLEASE SHOW ALL WORK. I DID SOME MISTAKES SOMEWHERE ANDWOULD LIKE TO SEE FULL SOLUTIONS TO COMPARE.

Thank you very much.

Answer & Explanation Solved by verified expert
3.6 Ratings (294 Votes)
a Calculate concentration of CH3COONa CH3COOH separately in 200ml of buffer solution using M1V1 M2V2 then substitute the values in Handersons equation to find out pH of buffer solution The pKa value of acetic acid is known to be equal to 47447    See Answer
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