The normal boiling point of a certain liquid X is 140.50 °C, but when 32.3 g of alanine (C,H,NO,) are dissolved in 250. g of X the solution boils at 141.7 °C instead. Use this information to calculate the molal boiling point elevation constant K, of X. Round your answer to 2 significant digits. olo °C·kg K, = 0 mol
The normal boiling point of a certain liquid X is 140.50 °C, but when 32.3 g of alanine (C,H,NO,) are dissolved in 250. g of X the solution boils at 141.7 °C instead. Use this information to calculate the molal boiling point elevation constant K, of X. Round your answer to 2 significant digits. olo °C·kg K, = 0 mol
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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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![The normal boiling point of a certain liquid X is 140.50 °C, but when 32.3 g of alanine (C,H,NO,) are dissolved in 250. g
of X the solution boils at 141.7 °C instead. Use this information to calculate the molal boiling point elevation constant K,
of
Х.
Round your answer to 2 significant digits.
olo
°C·kg
Ar
K, = []
mol](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc94d9e95-0e25-4757-a170-f111f0abbe77%2Fc9bb620f-bce5-4ae5-8e44-cf35d548b51d%2Fxkgvqw_processed.png&w=3840&q=75)
Transcribed Image Text:The normal boiling point of a certain liquid X is 140.50 °C, but when 32.3 g of alanine (C,H,NO,) are dissolved in 250. g
of X the solution boils at 141.7 °C instead. Use this information to calculate the molal boiling point elevation constant K,
of
Х.
Round your answer to 2 significant digits.
olo
°C·kg
Ar
K, = []
mol
Expert Solution
Step 1
given
mass of alanine = 32.3 g
boiling point of solution = 141.7°C
boiling point of pure solvent = 140.5°C
mass of solvent = 250 g
molar mass of alanine = 89 g/mol
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