X rays with a wavelength of 1.790 10 -10 m are diffracted at an angle of
Question:
X rays with a wavelength of 1.790 × 10-10 m are diffracted at an angle of 14.7 degrees by a crystal of KI.
(a) What is the spacing between layers in the crystal that gives rise to this angle of diffraction? (Assume n = 1.)
(b) KI has the same crystal structure as NaCl, and the distance calculated in part a is half the length of the cube edge. Calculate the density of KI.
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Related Book For
Chemistry Principles And Practice
ISBN: 9780534420123
3rd Edition
Authors: Daniel L. Reger, Scott R. Goode, David W. Ball
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