The elemental analysis of an organic solid extracted from gum arabic (a gummy substance used in adhesives, inks, and pharmaceuticals) showed that it contained 40.0 percent by mass C, 6.7 percent by mass H, and 53.3 percent by mass O. A solution of 0.523 g of the solid in 28.1 g of the solvent diphenyl °C gave a freezing-point depression of 1.24 °C. Calculate the molar mass and molecular formula of the solid. (K, for diphenyl is 8.00 —.) m
The elemental analysis of an organic solid extracted from gum arabic (a gummy substance used in adhesives, inks, and pharmaceuticals) showed that it contained 40.0 percent by mass C, 6.7 percent by mass H, and 53.3 percent by mass O. A solution of 0.523 g of the solid in 28.1 g of the solvent diphenyl °C gave a freezing-point depression of 1.24 °C. Calculate the molar mass and molecular formula of the solid. (K, for diphenyl is 8.00 —.) m
Chemistry: Principles and Practice
3rd Edition
ISBN:9780534420123
Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer
Chapter12: Solutions
Section: Chapter Questions
Problem 12.95QE
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