Calculate the pH of a mixture of 0.25 M acetic acid (CH3COOH) and 0.1 M sodium acetate (CH3COO-NA+). The pKa of acetic acid is 4.76. Next, calculate the pH of the same solution to which 3.5 ml of 6.05 M HCL has also been added. You may ignore the volume of the added HCL in your calculation since its quantity is trivial. You will use the Henderson-Hasselbalch equation to solve both of these problems.


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