CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases
Problem
A weak acid is titrated with strong base. The titration curve shows a steep rise at 36.4 mL of base added. The pH recorded at 18.2 mL of base is 3.12.
Which of the following is the best estimate of the acid’s pKa?
(a) 7.00
(b) 2.82
(c) 3.12
(d) 10.88