I have been looking at conductivity of aqueous solutions. In particular, I want to compare sodium chloride, ammonium nitrate and magnesium sulphate. Electrical conductivity tables (at the same temperature and concentration of solutions) seem to show the order from highest to lowest being NaCl, then NH4NO3, then MgSO4. However, if I work out the molar conductivities using Kohlrausch's law (law of independent ion migration), I get values that show the reverse order. I am confused!! Can you please clarify? So essentially, to determine out of the three salts which is the better conductor, do we use the specific conductivity tables, or molar conductivity calculations?
Thanks.
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I have been looking at conductivity of aqueous solutions. In particular, I want to compare sodium...
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