Question 1
Formic acid (Ka = 1.8×10-4) and sodium formate can be used to prepare a buffer with a pH = 3.50.
◦ true
◦ false
Question 2
In a titration, the equivalence point of a weak acid occurs when 18.0 mL of base has been added. The pH at 9.0 mL equals pKa.
◦ true
◦ false