Find the pH during the titration of 20.00 mL of 0.1820 M nitrousacid, HNO2 (Ka = 7.1 ✕ 10-4), with 0.1820 M NaOH solution after thefollowing additions of titrant. (
a) 0 mL
(b) 10.00 mL
(c) 15.00 mL
(d) 19.00 mL
(e) 19.95 mL
(f) 20.00 mL
(g) 20.05 mL
(h) 25.00 mL
