Answered: What mass of H20 could be frozen 1. at…

Chemistry by OpenStax (2015-05-04)

1st Edition

ISBN:9781938168390

Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser

Chapter11: Solutions And Colloids

Section: Chapter Questions

Problem 57E: A sample of sulfur weighing 0.210 g was dissolved in 17.8 g of carbon disulfide, CS2 ( Kb=2.43 C/m)....

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What mass of H20 could be frozen 1. at 0 C, when 145 g of NH3 is vaporized? The heat of fusion of water is 6.01 kJ/mol. The heat of vaporization of NH3 is 17.4 kJ/mol 2. When 1.50 grams of an unknown is dissolved in 10.0 g of benzophenone, the boiling point elevation is 12.0 C. What is the molecular weight of the unknown if Kb for benzophenone is 7.88 C/m?

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