CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases
Problem
A student has 100 mL of 0.30 M acetic acid (pKa=4.74). Assuming the volume change is negligible, what volume of 0.50 M NaOH must be added to obtain a solution with pH = 5.00?
(a) 21 mL
(b) 39 mL
(c) 43 mL
(d) 12 mL