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30/12/2021 3:00 pm
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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?
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30/12/2021 3:02 pm
Number of close-packed particles = 0.5 x 6.022 x 1023
= 3.011 x 1023
Therefore, number of octahedral voids = 3.011 x 1023
And, number of tetrahedral voids = 2 x 3.011 x 1023
= 6.022 x 1023
Therefore, total number of voids = 3.011 x 10 23 + 6.022 x 1023
= 9.033 x 1023