Example
Example . and L m = k × cm L – molarity – – – – – . × S cm × cm L . mol L = S cm mol – The electrical resistance of a column of . mol L – NaOH solution of diameter cm and length cm is . × ohm. Calculate its resistivity, conductivity and molar conductivity. A = p r = . × . cm = . cm = . × – m l = cm = . m l R A or . .785cm 50cm RA l = . W cm Conductivity = . S cm – = .01148 S cm – Molar conductivity, × c cm L – – – – .01148 S cm × cm L . mol L = . S cm mol – If we want to calculate the values of different quantities in terms of ‘m’ instead of ‘cm’, = RA l – . × × . × . m = . × – W m = . = . S m – and c – – . S m mol m = . × – S m mol – .