Review the trend in values of the vant Hoff factor i as a function of concentration (Table

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Review the trend in values of the van’t Hoff factor i as a function of concentration (Table 13.4). Use the following data to calculate the van’t Hoffweight) (for which ΔT =−3.05°C) and a Na2SO4 concentration of 5.00% (by weight) (for which ΔT = −1.36°C). Are these values in line with your expectations based on the trend in the values given in Table 13.4? Speculate on why this trend is seen.

Data given in Table 13.4

TABLE 13.4 Freezing Point Depressions of Some lonic Solutions AT fp (calculated, C) m AT fp Mass % (mol/kg)

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Chemistry And Chemical Reactivity

ISBN: 9780357001172

10th Edition

Authors: John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

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