Difference plot. A solution containing 3.96 mmol acetic acid plus 0.484 mmol HCI in 200 mL, of
Question:
Difference plot. A solution containing 3.96 mmol acetic acid plus 0.484 mmol HCI in 200 mL, of 0.10 M KC1 was titrated with 0.490 5 M NaOH to measure K. for acetic acid.
(a) Write expressions for the experimental mean fraction of proto-nation, n̅H(measured), and the theoretical mean fraction of protonation, n̅H(theoretical).
(b) From the following data, prepare a graph of n̅H(measured) versus pH. Find the best values of pKa and pK'k by minimizing the sum of the squares of the residuals,
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