4.) Ethylene glycol, C2HO2, is used as radiator coolant and antifreeze in automobiles. It is mixed with distilled water before being added to the radiator. An aqueous solution of ethylene glycol contains 685 g of ethylene glycol in 2075 g of water. Ethylene alycol C2H6O2 1.11 Water H.O Name Formula Density (g/cm) @ 25° C Amount (a) Freezing point (C) Boiling point (C) Kf CC/mol*Kg) |Kb ("C/mol*Kg) 0.998 685 2075 -12.9 0.0 197.3 100.0 3.11 1.86 2.226 0.52 A. Calculate the morality of ethylene glycol. Which component is the solute? Which is the solvent? Show ALL Work. B. Calculate the mass percent of ethylene glycol in the solution. Show ALL Work. C. Calculate the freezing point of the solution. (Assume i=1) Show ALL work.
4.) Ethylene glycol, C2HO2, is used as radiator coolant and antifreeze in automobiles. It is mixed with distilled water before being added to the radiator. An aqueous solution of ethylene glycol contains 685 g of ethylene glycol in 2075 g of water. Ethylene alycol C2H6O2 1.11 Water H.O Name Formula Density (g/cm) @ 25° C Amount (a) Freezing point (C) Boiling point (C) Kf CC/mol*Kg) |Kb ("C/mol*Kg) 0.998 685 2075 -12.9 0.0 197.3 100.0 3.11 1.86 2.226 0.52 A. Calculate the morality of ethylene glycol. Which component is the solute? Which is the solvent? Show ALL Work. B. Calculate the mass percent of ethylene glycol in the solution. Show ALL Work. C. Calculate the freezing point of the solution. (Assume i=1) Show ALL work.
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section: Chapter Questions
Problem 107QRT
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