Ion Association of 2-1 Salts in Methanol

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Abstract
Conductance curves for many 2‐1 salts in methanol (and other solvents of intermediate dielectric constant) approximate linearity over a fairly wide range of concentration. This linear region is an inflection range, produced by a combination of decreasing mobility (c 1/2 terms) and decreasing number of free ions (c terms) with increasing concentration. It may, therefore, not be used for extrapolation to . Assuming stepwise association : (a), ; (b), , a method of successive approximations is derived by which , and can be calculated from conductance data.

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