Date of Award

Spring 1955

Document Type

Thesis

Department

Chemistry & Physics

Abstract

The object of this investigation was to determine the solubility of the silver salt of ortho-nitrobenzoic acid in pure water by potentiometric and conductiometric methods.

An extensive search into the literature yielded information regarding the solubility of silver paranitrobenzoate at 20° C in pure water and also regarding the solubility of silver meta-nitrobenzoate at 25° C in pure water. The solubility of silver benzoate in pure water was also found.

No other information regarding the solubility of these salts could be found in Seidell (1940-41) or in the most recent edition of the Handbook of Chemistry and Physics (Thirty-Fifth Edition 1954), or in the Chemical Abstracts from 1940 to 1953.

The salt used in the experiment was prepared directly from ortho-nitrobenzoic acid itself (Eastman Kodak Co. No. 621). An approximately 20%, hot solution of the acid was titrated with an approximately 5% solution of NaOH. Phenolphthalein was used as the external indicator and the titration was carried on until there was a slight excess of base. The resulting salt solution was titrated with an approximately 20% solution of AgNO3.

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