(chatquestion)...A metallic element exists as cubic lattice. Each edge of the unit cell is 2.88 A. The density of the metal is 7.20 g cm-3. How many unit cell will be present in 100 g of the metal - (A) 6. 85 × 102 (B) 5. 82 × 1023 (C) 4. 37 x 10° (D) 2. 12 x 106

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