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Question
If the total volume of a simple cubic unit cell is 6.817 × 10-23 cm3, what is the volume occupied by particles in the unit cell?
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Solution
Volume occupied by particles in the simple cubic unit cell
`= (pi"a"^3)/6 = (3.14 xx 6.817 xx 10^-23 "cm"^3)/6` = 3.57 × 10-23 cm3
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[a3.NA = 38.5 cm3 mol−1]
