Sample Problem 19.3
Calculating the pH during a weak acid-strong base titration
(a) 0.00 mL
(b) 30.00 mL
(c) 40.00 mL
(d) 50.00 mL
Ka = [Pr-][H3O+]/[HPr]
[Pr-] = x = [H3O+]
x = 1.1 x 10-3 ; pH = 2.96
(b)
before addition
addition
after addition
0.004000
0.003000
0.003000
0.001000
0
-
-
-
0
-
-
-
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