Practice Problem: Henderson-Hasselbalch Equation Calculations

What is the PKA value of the acid in the buffer solution?

• 3.0

• 2.3

• 4.0

• 1.5

In the Henderson Hasselbalch equation, what does the term 'log (conjugate base concentration / acid concentration)' represent?

• The ratio of acid to base

• The pH of the solution

• The PKA of the acid

• The logarithmic ratio of base to acid

If the concentration of the conjugate base is four times that of the acid, what is the ratio of base to acid?

• 1:2

• 1:4

• 4:1

• 2:1

What is the calculated pH of the buffer solution using the given PKA and concentration ratio?

• 3.2

• 2.9

• 2.6

• 2.3

What is the value of the logarithm of 4, used in the pH calculation?

• 1.2

• 0.9

• 0.6

• 0.3