You have 100.0mL of a weak acid (Ka = 5.0×10-4) at a concentration of 0.200M. Titrate this solution with 0.400M KOH. 1- What volume is the

You have 100.0mL of a weak acid (Ka = 5.0×10-4) at a concentration of 0.200M. Titrate this solution with 0.400M KOH.
1- What volume is the equivalence point? ____ mL
2- Find the pH at the following volumes of strong base added.
Vb = 50 mL pH = _____