In: Chemistry
Suppose we titrate 20.0 mL of 0.20 M of formic acid (HCHO2, Ka= 1.8 x 10^-4) with 0.20 M KOH. Calculate the pH for the following:
a) before any base is added
b) when half of the formic acid has been neutralized
c) after a total of 15 mL has been added
d) at the equivalence point