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The molal boiling point elevation constant K=1.23 °C-kg-mol solution boils at 114.3 °C. Calculate the boiling point of pure X. Round your answer to 4 significant digits. °C X 1 for a certain substance X. When 10. g of urea ((NH,),CO): are dissolved in 250. g of X, the

The molal boiling point elevation constant K=1.23 °C-kg-mol solution boils at 114.3 °C. Calculate the boiling point of pure X. Round your answer to 4 significant digits. °C X 1 for a certain substance X. When 10. g of urea ((NH,),CO): are dissolved in 250. g of X, the

Chemistry
Chemistry
10th Edition
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
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-1 The molal boiling point elevation constant Kr= 1.23 °C-kg-mol for a certain substance X. When 10. g of urea solution boils at 114.3 °C. Calculate the boiling point of pure X. Round your answer to 4 significant digits. °C X ((NH,),CO). CO are dissolved in 250. g of X, the
Transcribed Image Text:-1 The molal boiling point elevation constant Kr= 1.23 °C-kg-mol for a certain substance X. When 10. g of urea solution boils at 114.3 °C. Calculate the boiling point of pure X. Round your answer to 4 significant digits. °C X ((NH,),CO). CO are dissolved in 250. g of X, the
Expert Solution
Step 1: Determine the boiling point of pure X from the given data:

Given,

The mass of substance X = 250. g

The mass of urea ( (NH2)2CO ) =10. g

The boiling point of the solution = 114.3 0C

The molal boiling point elevation constant Kb = 1.23 0C. kg.mol-1

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