2.) You are hired in a lab and are asked to make a buffer of a pH of 10.2.
a. What acid/ conjugate base pair is best for this solution? Why?
b. Calculate the amount (in grams) of the acid/ conjugate base you should combine to get 2L of 0.5 M solution.
3.) Buffers are important physiological compounds that resist change in pH.
a). Calculate the pH of the buffer system that is 0.75 M benzoic acid and 0.25 M benzoate if pKa=4.2
b). Calculate the number of moles of benzoic acid that are required to make a liter of 0.25 M buffer solution at the pH calculated in part a
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