A laboratory procedure calls for a buffer at pH 6.8 using an acid whose is 6.3
CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases
Problem
A laboratory procedure calls for a buffer at pH 6.8 using an acid whose pKa is 6.3. What approximate ratio of conjugate base to conjugate acid is required?
(a) 0.32:1
(b) 3.2:1
(c) 1.6:1
(d) 5.0:1