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A metal has an fcc latticed.The edge len...

A metal has an fcc latticed.The edge length of the unit cell is `404` pm .The density of the metal is `2.72 g//cm^(-3)` .The molar mass of the metal is
`(N_(A)` Avogadro's constant `= 6.2 xx 10^(23) mol^(-1))`

A

30 g/mol

B

27 g/mol

C

20 g/mol

D

40 g/mol

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The correct Answer is:
B
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