Here is what you need to know. Use this information to make your sentences.
The Henderson-Hasselbalch equation is
pH = pKa + log (base)/(acid)
Knowing what pH you want and the pKa of the acid, calculate (base) and (acid) you need to prepare the pH you want. base is propanoate. acid is propanoic acid.
In 2-3 sentences, describe how propanoic acid (C2H5COOH) and propanoate anion (C2H5COO-) can be used to make a buffer solution if the Ka of propanoic acid is 1.34 x 10-5.
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