In the Henderson-Hasselbalch equation, what does "p" represent?
Henderson Hasselbalch

Quiz
•
Science
•
University
•
Hard
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The power of the concentration
The negative logarithm
The pressure of the system
The product of the concentrations
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If you know the pH and pK_a of a solution, what can you determine?
The temperature of the solution
The ratio of [A-] to [HA]
The molecular weight of the solute
The viscosity of the solution
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the pH is one unit above the pKa of an amino acid group, approximately what percentage of the amino acid exists in the deprotonated [A-] form?
50%
91%
99%
99.9%
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If the pH is 2 units below the pKa of an amino acid group, approximately what percentage of the group is in the protonated [HA] form?
91%
99%
50%
99.9%
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What happens to the ratio of [A-] to [HA] when the pH is equal to the pKa of the amino acid group?
[A-]/[HA] = 10
[A-]/[HA] = 100
[A-]/[HA] = 1
[A-]/[HA] = 0
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the ratio of [A-] to [HA] if the pH is two units above the pKa of the amino acid group?
[A-]/[HA] = 1
[A-]/[HA] = 10
[A-]/[HA] = 100
[A-]/[HA] = 1000
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
At a pH three units above the pKa, what is the approximate percentage of the amino acid in the [A-] form?
50%
91%
99%
99.9%
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