Illustrated Guide to Home Chemistry Experiments

(Amelia) #1
Chapter 11 Laboratory: Acid-Base Chemistry 203

q: 3 Graph the amounts of added acid and base against the pH of the buffer solution. At what point does the buffer begin to lose
effectiveness? Why?


q: 4 You have on hand 0.5 M solutions of acetic acid and sodium acetate. You want to make up 100 mL of a pH 5.0 buffer solution
to calibrate your pH meter. Calculate the amounts of acetic acid solution and sodium acetate solution required to make up this
buffer solution.

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