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The normal boiling point of a certain liquid X is 143.8 °C, but when 21. g of urea 145.2 °C instead. Use this information to calculate the molal boiling point elevation constant K of X. Round your answer to 2 significant digits. °C-mol C -1 a((NH,),CO) are dissolved in 350. g of X, it is found that the solution boils at - kg

The normal boiling point of a certain liquid X is 143.8 °C, but when 21. g of urea 145.2 °C instead. Use this information to calculate the molal boiling point elevation constant K of X. Round your answer to 2 significant digits. °C-mol C -1 a((NH,),CO) are dissolved in 350. g of X, it is found that the solution boils at - kg

Chemistry
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
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The normal boiling point of a certain liquid X is 143.8 °C, but when 21. g of urea 145.2 °C instead. Use this information to calculate the molal boiling point elevation constant K₁ of X. Round your answer to 2 significant digits. [°C ((NH,),CO) are dissolved in 350. g of X, it is found that the solution boils at °C mol -kg C C C [
Transcribed Image Text:The normal boiling point of a certain liquid X is 143.8 °C, but when 21. g of urea 145.2 °C instead. Use this information to calculate the molal boiling point elevation constant K₁ of X. Round your answer to 2 significant digits. [°C ((NH,),CO) are dissolved in 350. g of X, it is found that the solution boils at °C mol -kg C C C [
Expert Solution
Step 1: Given information:

The mass of urea (solute) = 21. g

The mass of solvent X = 350. g

The boiling point of the pure liquid X open parentheses straight T subscript straight b superscript degree close parentheses= 143.8 degree straight C

The boiling point of the solution open parentheses straight T subscript straight b close parentheses= 145.2 degree straight C

The molal boiling point elevation constant open parentheses straight K subscript straight b close parentheses = ?

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