Biochemistry

Learn the toughest concepts covered in Biochemistry with step-by-step video tutorials and practice problems by world-class tutors

2. Water

Buffer Solution

1

concept

Buffers

clock
3m
Play a video:
Was this helpful ?
0
2
Problem

A. What volume of 0.1 M acetic acid (pK a = 4.8) is required to make 1 liter of 0.1 M buffer solution at pH = 5.8?


B. What volume of 0.1 M sodium acetate is required to make the same buffer solution?

a. 193 mL                                                       

b. 91 mL 

c. 909 mL 

d. 807 mL

3

concept

Effective Buffer Ranges

clock
2m
Play a video:
Was this helpful ?
1
4
Problem

Which of the following compounds would make for the best buffer at pH 8?

5

concept

Biological Buffers

clock
3m
Play a video:
Was this helpful ?
0
6
Problem

MOPS (pKa =7.2) is a weak acid & acts as a buffer. Calculate the ratio of its basic/acidic species at pH = 6.0.