Calculate the pH after 0.020 mol HCl is added to 1.00 L of each of the following four solutions. (a) 0.200 M HONH2 (Kb = 1.1 x 10-8) 40123 (b) 0.200 M HONH3CI 4.2! (c) pure H20 4.0 12.30 X (d) a mixture containing 0.200 M HONH2 and 0.200 M HONH301 4.0
