Use the Henderson-Hasselbalch equation to perform the following calculations. The Ka of acetic acid is 1.8 × 10–5.
a. Calculate the volume of the 0.500 M acetic acid and the volume of deionized water necessary to make 60.0
mL of 0.250 M CH3COOH.
b. Buffer: Calculate the mass of solid sodium acetate required to mix with 60.0 mL of 0.250 M acetic acid to
prepare a pH 4 buffer. Record the mass in your data table.
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