A student mixes 50.0 mL of 0.250 M pyridine ( , ) with 25.0 mL of 0.250 M
CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases
Problem
A student mixes 50.0 mL of 0.250 M pyridine (C5H5N, Kb=1.7×10−9) with 25.0 mL of 0.250 M HCl. What is the pH of the resulting solution at 25 °C?
(a) 8.77
(b) 7.00
(c) 5.23
(d) 3.30