A student dissolves 19. g of biphenyl (C12H10) in 400. mL of a solvent with a density of 0.99 g/mL. The student notices that the volume of the solvent does not change when the biphenyl dissolves in it. Calculate the molarity and molality of the student's solution. Round both of your answers to 2 significant digits.

Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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A student dissolves 19. g of biphenyl (C₁2H₁0) in 400. mL of a solvent with a density of 0.99 g/mL. The student notices that the volume of the solvent does
not change when the biphenyl dissolves in it.
Calculate the molarity and molality of the student's solution. Round both of your answers to 2 significant digits.
Transcribed Image Text:A student dissolves 19. g of biphenyl (C₁2H₁0) in 400. mL of a solvent with a density of 0.99 g/mL. The student notices that the volume of the solvent does not change when the biphenyl dissolves in it. Calculate the molarity and molality of the student's solution. Round both of your answers to 2 significant digits.
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