87.2 Conductivity and its application 7. Measuring limiting molar conductivity of ions Am= F(Ut +U_) U U +U n2+ n 2+=4 U +U n.十 UF 1m(++U)F To measure Am+ or Am., either t, and t or U+ and U. must be determined, ( ) m m U F U U F     + +    + − = + m m , t     =+ +  −  m − = m  , t  To measure m,+ or m,- , either t+ and t - or U+ and U- must be determined. + − + + + = U U U t + − − − + = U U U t 7. Measuring limiting molar conductivity of ions §7.2 Conductivity and its application ( )  −  +  m = F U +U m U F  +   ,+ =