Analytical Chemistry

Learn the toughest concepts covered in your Analytical Chemistry class with step-by-step video tutorials and practice problems.

Monoprotic Acid-Base Equilibria

Buffers

A buffer is a solution composed of a weak acid with its conjugate base. 

Buffers 

1

concept

Buffers

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

concept

Buffers

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

concept

Buffers

clock
1m
Play a video:
Was this helpful ?
0

Buffer Synthesis

4

concept

Buffer Synthesis

clock
5m
Play a video:
Was this helpful ?
0
5

example

Buffer Synthesis Calculations 1

clock
5m
Play a video:
Was this helpful ?
0
6

example

Buffer Synthesis Calculations 1

clock
3m
Play a video:
Was this helpful ?
0
7
Problem

Which of the following molar ratios is the correct equilibrium ratio of BASE : ACID for a solution made of aniline (Kb = 3.8 x 10-10) and anilinium nitrate where the pH is 4.80?

8

example

Buffer Synthesis Calculations 2

clock
3m
Play a video:
Was this helpful ?
0
9

example

Buffer Synthesis Calculations 2

clock
4m
Play a video:
Was this helpful ?
0