The normal freezing point of ethanol (CH3CH2OH) is -117.300 °C and its Kfp value is 1.99 °C/m. In a laboratory experiment, students synthesized a new compound and found that when 10.50 grams of the compound were dissolved in 281.0 grams of ethanol, the solution began to freeze at -117.558 °C. The compound was also found to be nonvolatile and a nonelectrolyte. What is the molecular weight they determined for this compound? Answer: ______g/mol
The normal freezing point of ethanol (CH3CH2OH) is -117.300 °C and its Kfp value is 1.99 °C/m. In a laboratory experiment, students synthesized a new compound and found that when 10.50 grams of the compound were dissolved in 281.0 grams of ethanol, the solution began to freeze at -117.558 °C. The compound was also found to be nonvolatile and a nonelectrolyte. What is the molecular weight they determined for this compound? Answer: ______g/mol
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section: Chapter Questions
Problem 70QRT
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The normal freezing point of ethanol (CH3CH2OH) is -117.300 °C and its Kfp value is 1.99 °C/m.
In a laboratory experiment, students synthesized a new compound and found that when 10.50 grams of the compound were dissolved in 281.0 grams of ethanol, the solution began to freeze at -117.558 °C. The compound was also found to be nonvolatile and a nonelectrolyte.
What is the molecular weight they determined for this compound?
Answer:
______g/mol
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