RbBr has a face-centered cubic unit cell in which the Br- anions occupy corners and face centers, while the cations fit into the hole between adjacent anions. What is its density (in g/cm3) if the ionic radii of Rb+, Br- ions are 149.8 pm and 195.0 pm, respectively? Hint: notice that the cation and anion touch each other and together make up the side of the cube.

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Chemistry

10th Edition

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

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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RbBr has a face-centered cubic unit cell in which the Br^- anions occupy corners and face centers, while the cations fit into the hole between adjacent anions. What is its density (in g/cm³) if the ionic radii of Rb⁺, Br^- ions are 149.8 pm and 195.0 pm, respectively? Hint: notice that the cation and anion touch each other and together make up the side of the cube.

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