7. Calculate the atomic concentration (in cm-³) and density (in g/cm³) of the following, using their lattice constants, atomic weights, and Avogadro's number: (a) Si (lattice constant = 5.43 Å; atomic weight = 28.1) (b) Ge (lattice constant = 5.66 Å; atomic weight = 72.6) (c) GaAs (lattice const. = 5.65 Å; atomic weightGa = 69.7; atomic weight As = 74.9) (d) InP (lattice constant = 5.87 Å; atomic weightn = 114.8; atomic weightp = 31) %3D %3D %3D %3D

7. Calculate the atomic concentration (in cm-³) and density (in g/cm³) of the following, using their lattice constants, atomic weights, and Avogadro's number: (a) Si (lattice constant = 5.43 Å; atomic weight = 28.1) (b) Ge (lattice constant = 5.66 Å; atomic weight = 72.6) (c) GaAs (lattice const. = 5.65 Å; atomic weightGa = 69.7; atomic weight As = 74.9) (d) InP (lattice constant = 5.87 Å; atomic weightn = 114.8; atomic weightp = 31) %3D %3D %3D %3D

Chemistry: An Atoms First Approach

2nd Edition

ISBN:9781305079243

Author:Steven S. Zumdahl, Susan A. Zumdahl

Publisher:Steven S. Zumdahl, Susan A. Zumdahl

Chapter10: Properties Of Solutions

Section: Chapter Questions

Problem 31E: Common commercial acids and bases are aqueous solutions with the following properties: Density...

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