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3.5) A 1.065-g sample of an unknown substance is dissolved in 30.00 g of benzene (K; = 5.12 and Tf= 5.5 °C); the freezing point of the solution is 4.23 °C. The compound is 50.69% C, 4.23% H, and 45.08% O by mass. Determine the molecular formula of the substance.

3.5) A 1.065-g sample of an unknown substance is dissolved in 30.00 g of benzene (K; = 5.12 and Tf= 5.5 °C); the freezing point of the solution is 4.23 °C. The compound is 50.69% C, 4.23% H, and 45.08% O by mass. Determine the molecular formula of the substance.

General, Organic, and Biological Chemistry
General, Organic, and Biological Chemistry
7th Edition
ISBN:9781285853918
Author:H. Stephen Stoker
Publisher:H. Stephen Stoker
Chapter8: Solutions
Section: Chapter Questions
Problem 8.9EP: A solution is made by dissolving 34.0 g of NaCl in 100 g of H2O at 0C. Based on the data in Table...
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3.5) A 1.065-g sample of an unknown substance is dissolved in 30.00 g of benzene (K; = 5.12 and Tf= 5.5 °C); the freezing point of the solution is 4.23 °C. The compound is 50.69% C, 4.23% H, and 45.08% O by mass. Determine the molecular formula of the substance.
Transcribed Image Text:3.5) A 1.065-g sample of an unknown substance is dissolved in 30.00 g of benzene (K; = 5.12 and Tf= 5.5 °C); the freezing point of the solution is 4.23 °C. The compound is 50.69% C, 4.23% H, and 45.08% O by mass. Determine the molecular formula of the substance.
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