Question

A 30 mL solution of 0.200 M Ethylene diamine (C2H8N2) was titrated with a 0.210 M solution of HCl.
Calculate the pH values for each addition of HCl added during titration. C2H¬8N2 has a Kb=8.3 x 10-5.


1) 0.00 mL of HCl added
2) 5 mL of HCl added

3) 10 mL of HCl added

3) 10 mL of HCl added










4) 20 mL of HCl added
5) 28.6 mL of HCl added
6) 30 mL of HCl added

7) 35 mL of HCl added.
8) 50 mL of HCl added.