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NEET 2013 Chemistry question

ChemistryThe Solid StateNEET 2013

Not in JEE Main or NEET syllabus

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. The molar mass of the metal is : [ Avogadro's constant mol]

Answer: (3)

Solution

For a cubic unit cell, density with for fcc. cm, so . \dfracExtra open brace or missing close brace{ρ N_A$

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Question ID VK-091351