The conductance of a solution is a measure of the ability of that solution to carry a current. The transfer of electricity through the solution results from the movement of ions. The conductivity (к) of a solution is defined by к = j/E. j = Electric current density E = Electric field strength. Conductance is an expression of the ease with which electric current flows through a substance. In equations, conductance is symbolized by the uppercase letter G. The standard unit of conductance is the siemens (abbreviated S), formerly known as the mho.