1. What is the molecular mass of an organic compound if 15.00 g of thecompound is dissolved in 225.0 g of carbon tetrachloride raises the boiling point to85.36 °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 kgof benzene boils at 81.2 °C. Calculate the molecular weight of the compound. (boilingpoint 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 freezesat -7.18° C and Kf = 1.86° C/m. Is the nonelectrolyte CH3OH or C2H5OH?

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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)

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)

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

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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Concept explainers

Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

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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