Question

A compound forms a hcp structure. The number of octahedral and tetrahedral voids in 0.5 moles of a substance is respectively...
a. 3.011×1023, 6.022×1023
b. 6.022×1023, 3.011×1023
c. 4.011×1023, 2.011×1023
d. 6.011×1023, 12.022×1023

Answer 1

Answer:

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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Answer 2

Answer:

option b is correct

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Explanation: