When 14.4 g14.4 g of an organic compound known to be 55.81% C55.81% C, 7.0% H7.0% H, and 37.17% O37.17% O by mass is dissolved in 825.8 g825.8 g of benzene, the freezing point is 4.80 ∘C4.80⁢ ∘C. The normal freezing point of benzene is 5.49 ∘C5.49⁢ ∘C. What is the molecular formula for the organic compound? Assume that the organic compound is a molecular solid and does not ionize in water. ?fKf values for various solvents are given in the colligative constants table. molecular formula: CHO

Chemistry & Chemical Reactivity
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Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
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Chapter13: Solutions And Their Behavior
Section13.5: Colloids
Problem 2.4ACP
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When 14.4 g14.4 g of an organic compound known to be 55.81% C55.81% C, 7.0% H7.0% H, and 37.17% O37.17% O by mass is dissolved in 825.8 g825.8 g of benzene, the freezing point is 4.80 ∘C4.80⁢ ∘C. The normal freezing point of benzene is 5.49 ∘C5.49⁢ ∘C. What is the molecular formula for the organic compound? Assume that the organic compound is a molecular solid and does not ionize in water. ?fKf values for various solvents are given in the colligative constants table.
molecular formula:
CHO
When 14.4 g of an organic compound known to be 55.81% C, 7.0% H, and 37.17% O by mass is dissolved in 825.8 g of benzene,
the freezing point is 4.80 °C. The normal freezing point of benzene is 5.49 °C. What is the molecular formula for the organic
compound? Assume that the organic compound is a molecular solid and does not ionize in water. Kf values for various solvents
are given in the colligative constants table.
molecular formula:
СНО
Transcribed Image Text:When 14.4 g of an organic compound known to be 55.81% C, 7.0% H, and 37.17% O by mass is dissolved in 825.8 g of benzene, the freezing point is 4.80 °C. The normal freezing point of benzene is 5.49 °C. What is the molecular formula for the organic compound? Assume that the organic compound is a molecular solid and does not ionize in water. Kf values for various solvents are given in the colligative constants table. molecular formula: СНО
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