Type 2 Liquid Junctions-the Lewis Sargent relation Type 2: solutions of two different electrolytes having common anion/cation and same concentration in contact with each other rT E + In\M, +if_common_cation △MxType 2 Liquid Junctions - the Lewis Sargent Relation Type 2: solutions of two different electrolytes having common anion/cation and same concentration in contact with each other if common cation M M F RT X X EJ ln ; _ _ 1 2 =  +  