MHT CET Chemistry question
Not in JEE Main or NEET syllabus
A metallic element crystallises in simple cubic lattice. If edge length of the unit cell is 3 Å, with density 8 g/cc, what is the number of unit cells in 100 g of the metal? (Molar mass of metal = 108 g/mol) [MHTCET 2021]
Answer: (D)
Solution
Mass of one unit cell g, so the number of cells in 100 g is
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