Ethylene glycol (C2H6O2), a nonelectrolyte, is used as antifreeze in car radiators. A solution containing 86.0 g of ethylene glycol dissolved in 465 g of water has a density of 1.35 g/mL at 25 °C. Calculate the following:A) the %m/m of the ethylene glycol in this solution.B) the molarity of the ethylene glycol in this solution.

Answered: Ethylene glycol (C2H6O2), a…

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

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Ethylene glycol (C2H6O2), a nonelectrolyte, is used as antifreeze in car radiators. A solution containing 86.0 g of ethylene glycol dissolved in 465 g of water has a density of 1.35 g/mL at 25 °C. Calculate the following:
A) the %m/m of the ethylene glycol in this solution.
B) the molarity of the ethylene glycol in this solution.

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Step 1

According to the question,

$T h e m a s s o f e t h y l e n e g l y c o l (C_{2} H_{6} O_{2}) i s g i v e n b y = 86.0 g T h e m a s s o f t h e w a t e r i s g i v e n b y = 465 g T h e d e n s i t y o f s o l u t i o n i s g i v e n b y = 1.35 g / m L$

Find- m/m% of ethylene glycol in solution and the molarity of the solution.

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