Question: Assuming that the unit-cell parameter of Fe 1xO is given by Vegards law as a = 4.3325 0.4103x , calculate the experimental density for

Assuming that the unit-cell parameter of Fe1−xO is given by Vegard’s law as a = 4.3325 − 0.4103x Å, calculate the experimental density for 

(a) The hypothetical stoichiometric FeO, 

(b) An Fe-deficient material with an Fe:O ratio of 1.075.

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