Hi, sorry about the unrelated Question I sent previously with the first one. It was related to a different question. a) Calculate and enter the freezing point depression of a solution of 52.4 g ethylene glycol (C2H6O2) in 364 g H2O.Kf for H2O is 1.86 °C kg/mol. b) A solution which contains 77.5 g of an unknown molecular compound in 342 g of water freezes at -5.18°C.What is the molar mass of the unknown?* I got 4.31 degrees celsius for A which was correct. I just need help with B.

B) given, Assume molar mass is = M Mass solute = 77.5 g Mass of Water = 342 g = 0.342 kg Molality =…

Answered: Calculate and enter the freezing point…

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

Chapter11: Properties Of Solutions

Section: Chapter Questions

Problem 111AE: An unknown compound contains only carbon, hydrogen, and oxygen. Combustion analysis of the compound...

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Hi, sorry about the unrelated Question I sent previously with the first one. It was related to a different question.

a) Calculate and enter the freezing point depression of a solution of 52.4 g ethylene glycol (C₂H₆O₂) in 364 g H₂O.
K_f for H₂O is 1.86 °C kg/mol.

b) A solution which contains 77.5 g of an unknown molecular compound in 342 g of water freezes at -5.18°C.
What is the molar mass of the unknown?

* I got 4.31 degrees celsius for A which was correct. I just need help with B.

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