Transcription of SOLUBILITY, IONIC STRENGTH AND ACTIVITY COEFFICIENTS ...
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physical chemistry laboratory Experiment II-6b SOLUBILITY, IONIC STRENGTH AND ACTIVITY COEFFICIENTS . References: 1. See `References to Experiments' for text references. 2. W. C. Wise and C. W. Davies, J. Chem. Soc., 273 (1938), "The Conductivity of Calcium Iodate and its Solubility in Salt Solutions". Background: Study the references to the text and the section on "Theory and Discussion" carefully. Know the definitions of the following and their interrelations: ACTIVITY a, ion ACTIVITY , ai, mean IONIC ACTIVITY , a . ACTIVITY coefficient, , ion ACTIVITY coefficient, i, mean IONIC ACTIVITY coefficient, . Solubility, S in moles per liter Solubility product constant in terms of (a) molarity, K and (b) ACTIVITY , Ks.
Experiment II-7b Physical Chemistry Laboratory constant, K s, and mean ionic activity coefficient, γ ±, of Ca(IO 3) 2 in various solutions. Comparison of the experimental values of γ ± with the theoretical values calculated from the theoretical expressions of the Debye-Huckel limiting law and detailed law. Theory and Discussion:
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