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A metallic element exists in cubic latti...

A metallic element exists in cubic lattice. Each edge of unit cell is 4 Å. The density of metal is `6.25 g//m^(3)`. How many unit cells will be present in 100 g of metal?

A

`1 xx 10^(22)`

B

`2.5 xx 10^(29)`

C

`5 xx 10^(23)`

D

`2 xx 10^(23)`

Text Solution

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The correct Answer is:
B
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