common ion effect

[corruptedmage25]

anyone know anything on the common ion effect. if so, explain please. my final is tomorow and i havent showed up to class for a while...

 

[StevenYoo]

http://en.wikipedia.org/wiki/Common-ion_effect

 

[imported_booradley]

Buffer systems FTW.

 

[krcat1]

Its similiar to Le Chatelier's principle. Consider weak acid HX <-> H+ + X-. If you add to the solution the salt SX, it will dissociate into S+ and X-.

The common ion is the X-, and the effect is to shift the equilibrium of HX <-> H+ + X- to the left, just like you added addition X- to the solution.
In this case, it will reduce H+.

 

[Howard]

i laugh at you

 

[Goosemaster]

Originally posted by: corruptedmage25
anyone know anything on the common ion effect. if so, explain please. my final is tomorow and i havent showed up to class for a while...

well...at least you're honest:laugh:

 

[Mrvile]

I laugh in the face of chemistry. Or physics. Or whatever the hell you're taking.

 

[corruptedmage25]

heh, thx guys.

 

[James3shin]

explain it over a forum? how about a textbook with examples? It would be pretty tedious to explain it out.