The analyte is 50.0 mL of 0.20 M HF(aq) (acid dissociation constant )
CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases
Problem
The analyte is 50.0 mL of 0.20 M HF(aq) (acid dissociation constant Ka=7.2×10−4). Which of the following is closest to the initial pH of the solution?
(a) 1.57
(b) 3.14
(c) 1.92
(d) 8.22