MHT CET Chemistry question

ChemistryThe Solid StateMHT CET

Not in JEE Main or NEET syllabus

An element crystallises in fcc type of unit cell. The volume of one unit cell is cm and density of the element 7.2 g cm. Calculate the number of unit cells in 36 g of pure sample of element? [MHTCET 2022]

Answer: (A)

Solution

Mass of one unit cell g, so the number of cells

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Question ID VK-043224