Argentometric Titration by Precipitation of Silver Salts

initial concentration

[

+

Ag

] mol/L

0.1

volume

+

Ag

mL

10

[

-

I

] mol/L

0.1

volume

-

I

added (mL)

volume

-

I

15.

K

AgI

1.×

-18

10

equivalence point

Argentometric titrations are based on the use of silver cation as a precipitating agent. The objective here is to do a simple titration by precipitation and to use the titration curve to determine the solubility constant of AgI. The reaction considered is

+

Ag

+

-

I



AgI

(s)

. In this Demonstration, you can change the initial concentration of

+

Ag

, the volume of

-

I

added, and the solubility product

K

AgI

to see the changes in the titration curve.