A solution is prepared by mixing 50.0 mL toluene (C6H5CH3, density = 0.867 g/mL, 92.13 g/mol) with 125 mL benzene (C6H6, density = 0.874 g/mL, 78.11 g/mol). Assume that the volumes are additive upon mixing (meaning that the total volume equals the sum of the volume of toluene plus the volume of benzene). Please calculate the mass percent (weight % by mass), mole fraction, molality, and molarity of toluene.
A solution is prepared by mixing 50.0 mL toluene (C6H5CH3, density = 0.867 g/mL, 92.13 g/mol) with 125 mL benzene (C6H6, density = 0.874 g/mL, 78.11 g/mol). Assume that the volumes are additive upon mixing (meaning that the total volume equals the sum of the volume of toluene plus the volume of benzene). Please calculate the mass percent (weight % by mass), mole fraction, molality, and molarity of toluene.
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter3: Chemical Reactions
Section: Chapter Questions
Problem 148QRT
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5. A solution is prepared by mixing 50.0 mL toluene (C6H5CH3, density = 0.867 g/mL, 92.13 g/mol) with 125 mL benzene (C6H6, density = 0.874 g/mL, 78.11 g/mol). Assume that the volumes are additive upon mixing (meaning that the total volume equals the sum of the volume of toluene plus the volume of benzene). Please calculate the mass percent (weight % by mass), mole fraction, molality, and molarity of toluene.
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