2 6
In the button cells widely used in watches and other devices the following
reaction takes place:
Zn(s) + Ag2O(s) + H2O(l) ® Zn2+(aq) + 2Ag(s) + 2OH–(aq)
Determine DrGo and Eo for the reaction 2 7
Define conductivity and molar conductivity for the solution of an electrolyte