Iron crystallises in a bcc system with a lattice parameter of 2.861 Å. Calculate the densityof iron in the bccc system (atomic weight of Fe = 56, `N_A=6.02xx10^23 mol^(-1)`A. `7.94 gcm^(-3)`B. `8.96 g cm^(-3)`C. `2.78 gcm^(-3)`D. `6.72 gcm^(-3)`

Iron crystallises in a bcc system with a lattice parameter of 2.861 Å

1.	Iron crystallises in a bcc system with a lattice parameter of 2.861 Å. Calculate the densityof iron in the bccc system (atomic weight of Fe = 56, `N_A=6.02xx10^23 mol^(-1)`A. `7.94 gcm^(-3)`B. `8.96 g cm^(-3)`C. `2.78 gcm^(-3)`D. `6.72 gcm^(-3)`
Answer» Correct Answer - A `d=(ZM)/(N_Aa^3)` (for bcc, Z=2) `d_(Fe) = ((2)xx56.0gmol^(-1))/((6.02xx10^23mol^(-1)(2.861xx10^(-8))^3cm^3)`

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Iron crystallises in a bcc system with a lattice parameter of 2.861 Å. Calculate the densityof iron in the bccc system (atomic weight of Fe = 56, `N_A=6.02xx10^23 mol^(-1)`A. `7.94 gcm^(-3)`B. `8.96 g cm^(-3)`C. `2.78 gcm^(-3)`D. `6.72 gcm^(-3)`

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