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A metal of density 7.5 xx 10^(3) kg m^(-...

A metal of density `7.5 xx 10^(3) kg m^(-3)` has an fcc crystal structure with lattice parameter `a = 400 pm`. Calculater the number of unit cells present in `0.015 kg` of metal.

A

`6.250xx10^(22)`

B

`3.125xx10^(23)`

C

`3.125xx10^(22)`

D

`1.563xx10^(22)`

Text Solution

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The correct Answer is:
C
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