In: Chemistry
Calculate the pH at the following intervals if 30mL 0.20M of formic acid, HCHO2 is titrated with 0.15M NaOH. For HCHO2 Ka = 1.8 x 10-4
a) before any NaOH has been added
b) after a total of 15.0mL of NaOH has been added
c) at the equivalence point
d) after a total of 50.0mL of NaOH has been added.