First slide
Standard EMF of a cell
Question

Given ELi+/Lio=3.05V and  EAl+3/Alo=1.66V  then the emf of the cell Lis/Li+1M//Al+31M/Als  will  be

Easy
Solution

LHE … Anode

RHE … Cathode

Ecell0=ERHE0ELHE0

Ecello=1.66V3.05V

Ecello=1.66V+3.05V

Ecello=+1.39V

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