bmb428_problemset11 - Calculate the molarity of...

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BMB428 Dr. Song Tan Physical Chemistry with Biological Applications Fall 2007 1 Problem Set 11: Ideal Solutions Due Oct 9, 2007 1. Problem 5.1 (p. 186): How many grams of water must be added to 20.0 g of urea to prepare a 5.00% aqueous urea solution by weight? 2. Problem 5.3 (p. 186): Calculate the molality of a 1.50 M aqueous ethanol solution. The density of the solution is 0.98 g cm -3 . 3. part of Problem 5.4 (p. 186): The concentrated sulfuric acid we use in the laboratory is 98.0% sulfuric acid by weight in water.
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Unformatted text preview: Calculate the molarity of concentrated sulfuric acid if the density of the solution is 1.83 g cm-3 . 4. What is the definition of an ideal solution. Describe an ideal solution at a molecular level. What is Raoult's Law. 5. part of Problem 5.9 (p. 186): Liquids A and B form a nonideal solution. Provide a molecular interpretation for each of the following situations: (a) mix H > 0 (b) mix V > 0...
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This note was uploaded on 07/23/2008 for the course BMB 428 taught by Professor Tan during the Fall '07 term at Pennsylvania State University, University Park.

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