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 0.665 g of the solid in 23.5 g of the solvent diphenyl gave a freezing-point depression of 1.89 °C. Calculate the molar mass and molecular formula of the solid. (K; °C for diphenyl is 8.00.) m Part 1 of 2 Round your answer to 3 significant digits. molar mass: Part 2 of 2 D₁ g mol molecular formula: Do X 0x10 X
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 0.665 g of the solid in 23.5 g of the solvent diphenyl gave a freezing-point depression of 1.89 °C. Calculate the molar mass and molecular formula of the solid. (K; °C for diphenyl is 8.00.) m Part 1 of 2 Round your answer to 3 significant digits. molar mass: Part 2 of 2 D₁ g mol molecular formula: Do X 0x10 X
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text: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 0.665 g of the solid in
23.5 g of the solvent diphenyl gave a freezing-point depression of 1.89 °C. Calculate the molar mass and molecular formula of the solid. (K;
°C
for diphenyl is 8.00.)
m
Part 1 of 2
Round your answer to 3 significant digits.
molar mass:
Part 2 of 2
D₁
g
mol
molecular formula:
Do
X
0x10
X
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