MHT CET 2024 Chemistry question
Not in JEE Main or NEET syllabus
Calculate the volume of unit cell of an element having molar mass 27 g mol that forms fcc unit cell []
Answer: (B)
Solution
The density of a cubic unit cell is , so the volume of the unit cell is . For fcc, ; g/mol; (i.e. g/cm, aluminium). Then $ =
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