The volume of the mixture prepared by taking 1.158 moles and 0.842 moles of water and ethanol, respectively, at 25 ° C was measured as 68.16 cm ^ 3. Since the partial molar volume of water in the mixture is 16.98 cm3 / mol, find the partial molar volume of ethanol.

The volume of the mixture prepared by taking 1.158 moles and 0.842 moles of water and ethanol, respectively, at 25 ° C was measured as 68.16 cm ^ 3. Since the partial molar volume of water in the mixture is 16.98 cm3 / mol, find the partial molar volume of ethanol.

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter7: Solutions And Colloids

Section: Chapter Questions

Problem 7.86E

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The volume of the mixture prepared by taking 1.158 mol and 0.842 mol of water and ethanol, respectively, was measured as 68.16 cm3 at 25 ° C.Since the partial molar volume of water in the mixture is 16.98 cm3 / mol, find the partial molar volume of ethanol.Since the densities at 25ᴼC for pure water and ethanol are given as 0,9970 g / cm3 and 0,7852 g / cm3, respectively, find the volume change during the preparation of the mixture and interpret the result. (MSu: 18 g / mol; Methanol = 46 g / mol)
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