Chemistry

Problem

A buffer solution is prepared such that the concentration of the conjugate base is ten times that of the weak acid. Which of the following best describes how the pH of the buffer compares to the

pK_a

of the acid? a) The pH is equal to the

pK_a

.‎ b) The pH is one unit lower than the

pK_a

.‎ c) The pH is one unit higher than the

pK_a

.‎ d) The pH is approximately

2.3

units higher than the

pK_a

.‎

Browse the problem library