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A compound forms hexagonal close-packed structure. What is the total number of voids in 0.5 mol of it? How many of these are tetrahedral voids? - Chemistry

A compound forms hexagonal close-packed structure. What is the total number of voids in 0.5 mol of it? How many of these are tetrahedral voids?

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Solution

Number of close-packed particles = 0.5 × 6.022 × 1023 = 3.011 × 1023

Therefore, number of octahedral voids = 3.011 × 1023

And, number of tetrahedral voids = 2 × 3.011 × 1023 = 6.022 ×1023

Therefore, total number of voids = 3.011 × 1023 + 6.022 × 1023 = 9.033 × 1023

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APPEARS IN

NCERT Class 12 Chemistry Textbook
Chapter 1 The Solid State
Q 15 | Page 21
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