Part A- Consider the titration of 50.0mL of 0.20 M NH_3 K_b=1.8X10^-5 with 0.20 MHNO_3. Calculate the pH after addition of 50.0 mL of the titrant.
Part B- A 30.0mL volume of 0.50 M CH_3COOH K_a=1.8X10^-5 was titrated with 0.50 M NaOH. Calculate the pH after addition of 30.0mL of NaOH.