Ethylene glycol, HOCH2CH2OH, is a common automobile antifreeze. It is water-soluble and fairly nonvolatile (boiling point = 197°C). Calculate the freezing point of a solution containing 651 g of this substance in 3911 g of water. (Cryoscopic constant of water = 1.86 °C/molal; Atomic Weight: C = 12.01 g/mol; H = 1.008 g/mol; 0 = 16.00 g/mol). Express your answer in two decimal places. Do not put the units.

Ethylene glycol, HOCH2CH2OH, is a common automobile antifreeze. It is water-soluble and fairly nonvolatile (boiling point = 197°C). Calculate the freezing point of a solution containing 651 g of this substance in 3911 g of water. (Cryoscopic constant of water = 1.86 °C/molal; Atomic Weight: C = 12.01 g/mol; H = 1.008 g/mol; 0 = 16.00 g/mol). Express your answer in two decimal places. Do not put the units.

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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When 14.4 g14.4 g of an organic compound known to be 55.81% C55.81% C, 7.0% H7.0% H, and 37.17% O37.17% O by mass is dissolved in 825.8 g825.8 g of benzene, the freezing point is 4.80 ∘C4.80⁢ ∘C. The normal freezing point of benzene is 5.49 ∘C5.49⁢ ∘C. What is the molecular formula for the organic compound? Assume that the organic compound is a molecular solid and does not ionize in water. ?fKf values for various solvents are given in the colligative constants table. molecular formula: CHO