The freezing point of lauric acid was lowered by 1.68°C when a 3.706 g sample of a nondissociating molecular compound was dissolved in 40.02 g sample of lauric acid. What is the molar mass of the compound? The value of Kf for lauric acid is 3.90(°C-kg)/mol.
The freezing point of lauric acid was lowered by 1.68°C when a 3.706 g sample of a nondissociating molecular compound was dissolved in 40.02 g sample of lauric acid. What is the molar mass of the compound? The value of Kf for lauric acid is 3.90(°C-kg)/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 freezing point of lauric acid was lowered by 1.68°C when
a 3.706 g sample of a nondissociating molecular compound was
dissolved in 40.02 g sample of lauric acid.
What is the molar mass of the compound?
The value of Kf for lauric acid is 3.90(°C-kg)/mol.
b
Od
120 g/mol
215 g/mol
432 g/mol
61.2 g/mol](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F62a8372b-8087-4e07-809a-0f4c2ea9682b%2F626d0866-f36c-4210-b041-791e8bf17757%2F77fyi6f_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The freezing point of lauric acid was lowered by 1.68°C when
a 3.706 g sample of a nondissociating molecular compound was
dissolved in 40.02 g sample of lauric acid.
What is the molar mass of the compound?
The value of Kf for lauric acid is 3.90(°C-kg)/mol.
b
Od
120 g/mol
215 g/mol
432 g/mol
61.2 g/mol
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