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A certain substance X condenses at a temperature of 138.2 °C. But if a 800. g sample of X is prepared with 46.7 g of urea sample is found to have a condensation point of 140.5 °C instead. Calculate the molal boiling point elevation constant K, of X. Round your answer to 2 significant digits. C-mol kg X S ((NH₂)2CO) dissolved in it, the H da Ar

A certain substance X condenses at a temperature of 138.2 °C. But if a 800. g sample of X is prepared with 46.7 g of urea sample is found to have a condensation point of 140.5 °C instead. Calculate the molal boiling point elevation constant K, of X. Round your answer to 2 significant digits. C-mol kg X S ((NH₂)2CO) dissolved in it, the H da Ar

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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Kf and kb equation 1
7 O Using the Kf and Kb equations A certain substance X condenses at a temperature of 138.2 °C. But if a 800. g sample of X is prepared with 46.7 g of urea sample is found to have a condensation point of 140.5 °C instead. Calculate the molal boiling point elevation constant K, of X. Round your answer to 2 significant digits. 71°F Sunny C-mol Explanation -1 2 W S -kg Check A 3 E D $ 4 R F ▬▬ - ■ Q Search C % 5 X T G B FO 6 Y 5 VOLD-CO H & 7 INF U J 8 1 K F10 ( 9 O 4 *- F11 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility CO 9:04 AM 7/29/2023 ) O L P F12 H ( 0/5 ((NH₂), CO) dissolved in it, the Backspace Andrew 7 198 Home olo Ar
Transcribed Image Text:7 O Using the Kf and Kb equations A certain substance X condenses at a temperature of 138.2 °C. But if a 800. g sample of X is prepared with 46.7 g of urea sample is found to have a condensation point of 140.5 °C instead. Calculate the molal boiling point elevation constant K, of X. Round your answer to 2 significant digits. 71°F Sunny C-mol Explanation -1 2 W S -kg Check A 3 E D $ 4 R F ▬▬ - ■ Q Search C % 5 X T G B FO 6 Y 5 VOLD-CO H & 7 INF U J 8 1 K F10 ( 9 O 4 *- F11 © 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility CO 9:04 AM 7/29/2023 ) O L P F12 H ( 0/5 ((NH₂), CO) dissolved in it, the Backspace Andrew 7 198 Home olo Ar
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