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Question
The number of unit cells in 8 gm of an element X (atomic mass 40) which crystallizes in bcc pattern is (NA is the Avogadro number)
Options
6.023 × 1023
6.023 × 1022
60.23 × 1023
`((6.023 xx 10^23)/(8 xx 40))`
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Solution
6.023 × 1022
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