Question

Calculate the hydrogen ion concentration and
the degree of dissociation of 0.2 M solution of
acetic acid, if its dissociation constant is 1,8
x 10-5.​

Answer 1

Answer:

Explanation:

Applying the Oswald dilution formula-

K  

a

​  

=α  

2

 

Now,

K  

a

​  

=C  

C

​  

1(α  

2

) (i)

K  

a

​  

=C  

2

​  

(2α)  

2

 (ii)

C  

2

​  

=  

4

C  

1

​  

 

​  

=  

4

0.02

​  

=0.05≈0.049M