Iron(II)oxide crystallise in cubic structure with unit cell edge lengt – InterviewSolution

1.	Iron(II)oxide crystallise in cubic structure with unit cell edge length of 5 A∘. If the density of oxide is 3.8 g cm−3. Calculate the number of Fe2+ ions present in each unit cell.[ Molar mass of Fe=56 g/mol ]
Answer» Iron $(II)$ oxide crystallise in cubic structure with unit cell edge length of $5 A^{\circ}$ . If the density of oxide is $3.8 {g cm}^{- 3}$ . Calculate the number of $F e^{2 +}$ ions present in each unit cell. [ Molar mass of $F e = 56 g/mol$ ]

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