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Smoothed tables of the odubiHty of CuCl In aqueous HCI and aqueous NaCi from 0.01 to 6.0 M and from 0 to 100 OC are presented. Similar tables are given, for 25 OC only, for mixtures of HCI and NaCI, and for solutions In aqueous KCI, NH,Ci, CuCI,, and Feci,. The procedures and parameters necessary for calculation of the solubility at other concentrations and temperatures are given. Slmple methods for handling solublitty in complex mlxtures and in cases where experimental Information Is scant are discussed.

Techniques have been developed for measurement of the transference numbers of aqueous copper sulfate solutions by the moving boundary method. Copper acetate is used as the indicator substance. The methods have been tested rigorously by standard methods. The results are in agreement with the (rather inaccurate) values obtained many years ago by the Hittorf method.