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| 1. |
Derive an expression for emf of a concentration cell without transference |
| Answer» PURPOSE of understanding first we have to consider TWO simple cells.Pt,,/,AgPt,,/,Ag1)Here the two ELECTROLYTES are not in contact with each other.2)Activity of ions in the two solutions be and .3)The cells are comes together in a way that they oppose each other.so we have to consider the cellPt,,/,AgCell reactions:1) +↔+2) +↔+Then the expression for EMF is=ln | |