Solid State

Section: Chemistry

Question : 9 of 69

Marks: +1, -0

Iron oxide FeO, crystallises in a cubic lattice with a unit cell edge length of 5.0Å. If density of the FeO in the crystal is 4.0gcm−3, then the number of FeO units present per unit cell is _______ (Nearest integer)
Given : Molar mass of Fe and O is 56 and 16g mol−1 respectively.
NA=6.0×1023mol−1

[30-Jan-2023 Shift 2]

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