HOAc

H+   +

OAc-

K = 1.8x10-5

[HOAc] = 0.020 M


 

[H+][OAc-]

 

[x][x]

1.8x10-5 =

=
 

[HOAc]

 

[0.020 - x]

Solving this equation for x gives:

x = [H+] = 5.9x10-4 M

This shows that doubling the concentration of HOAc did not double the concentration of hydrogen ion.


(c) Copyright 2000. All rights reserved.