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Q.A metal has a fcc lattice and the edge length of the unit cell is 404 pm404 \text{ pm}. The density of the metal is 2.72 g cm32.72 \text{ g cm}^{-3}. The molar mass of the metal is:

a
27 g mol127 \text{ g mol}^{-1}
b
40 g mol140 \text{ g mol}^{-1}
c
30 g mol130 \text{ g mol}^{-1}
d
20 g mol120 \text{ g mol}^{-1}

Correct Answer: Option A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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