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JEE Main Chemistry question

ChemistryThe Solid StateJEE Main

Not in JEE Main or NEET syllabus

Number of unit cells in 16 g of (atomic mass = 40 u), which crystallises in a bcc structure, is . The value of is .

Answer: 0.2

Solution

Moles of mol, so the number of atoms . Since a bcc unit cell contains

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Question ID VK-141839