Calculate the molar mass of an element with density 2.7 g cm^ -3 that forms fcc structure [a^3.N_A = 40 cm^3mol^ -1 ]

MHT CET 2023 Chemistry question

Not in JEE Main or NEET syllabus

Calculate the molar mass of an element with density 2.7 g cm that forms fcc structure [a.N = 40 cmmol]

Answer: (C)

Density of a cubic cell: . For fcc, . So \dfrac{ρ a^3N_A}{Z}\dfraccm^{-3}$×40\

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Question ID VK-095351