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A metal has a fcc lattice. 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

(NA Avogadro's constant = 6.02 x 1023 mol-1)

(a) 27 g mol-1

(b) 20 g mol-1

(c) 40 g mol-1

(d) 30 g mol-1

1 Answer

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Best answer

Correct option (a) 27 g mol-1

Explanation :

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