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JEE Main Chemistry question

ChemistryThe Solid StateJEE Main

Not in JEE Main or NEET syllabus

Copper (atomic mass = 63.5 u) has an fcc unit cell structure with edge length Å. The approximate density of copper in g cm is . Find the value of (Avogadro's constant = , atomic weight of u).

Answer: 423.33

Solution

From with , in cm :

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Question ID VK-141847