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. A solution of 12.0 g of a nonvolatile, nondissociating compound dissolved in 0.200 kg of benzene boils at 81.2 °C. Calculate the molecular weight of the compound. (boiling point or Tb of pure benzene: 80.1 °C, ebullioscopic constant for benzene: 2.53 °C/m) . A solution contains 23.6 g of a nonelectrolyte and 175 g of water. The water freezes at -7.18° C and Kf = 1.86° C/m. Is the nonelectrolyte CH3OH or C2H5OH?

. A solution of 12.0 g of a nonvolatile, nondissociating compound dissolved in 0.200 kg of benzene boils at 81.2 °C. Calculate the molecular weight of the compound. (boiling point or Tb of pure benzene: 80.1 °C, ebullioscopic constant for benzene: 2.53 °C/m) . A solution contains 23.6 g of a nonelectrolyte and 175 g of water. The water freezes at -7.18° C and Kf = 1.86° C/m. Is the nonelectrolyte CH3OH or C2H5OH?

Chemistry: An Atoms First Approach
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter10: Properties Of Solutions
Section: Chapter Questions
Problem 54E: At a certain temperature, the vapor pressure of pure benzene (C6H6) is 0.930 atm. A solution was...
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1. What is the molecular mass of an organic compound if 15.00 g of the compound is dissolved in 225.0 g of carbon tetrachloride raises the boiling point to 85.36 °C? (ebullioscopic constant or kb = 5.03 °C/m) 2. A solution of 12.0 g of a nonvolatile, nondissociating compound dissolved in 0.200 kg of benzene boils at 81.2 °C. Calculate the molecular weight of the compound. (boiling point or Tb of pure benzene: 80.1 °C, ebullioscopic constant for benzene: 2.53 °C/m) 3. A solution contains 23.6 g of a nonelectrolyte and 175 g of water. The water freezes at -7.18° C and Kf = 1.86° C/m. Is the nonelectrolyte CH3OH or C2H5OH?
Transcribed Image Text:1. What is the molecular mass of an organic compound if 15.00 g of the compound is dissolved in 225.0 g of carbon tetrachloride raises the boiling point to 85.36 °C? (ebullioscopic constant or kb = 5.03 °C/m) 2. A solution of 12.0 g of a nonvolatile, nondissociating compound dissolved in 0.200 kg of benzene boils at 81.2 °C. Calculate the molecular weight of the compound. (boiling point or Tb of pure benzene: 80.1 °C, ebullioscopic constant for benzene: 2.53 °C/m) 3. A solution contains 23.6 g of a nonelectrolyte and 175 g of water. The water freezes at -7.18° C and Kf = 1.86° C/m. Is the nonelectrolyte CH3OH or C2H5OH?
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