1. Calculate the pH of an acetic acid (HAc) buffer with [H+] = 0.15 and [Ac-] = 0.18 if the pka of acetic acid is 4.75.

b. if 0.01M of HCl is added to this solution, what will be the new pH?


c. if 0.01M of NaOH is added to this solution, what will be the new pH?


d. Is this a good buffer? Justify your answer.​


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