A sample of nonstoichiometric nickel oxide (A) was found to contain 77.70% Ni by mass. (a) Calculate
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A sample of nonstoichiometric nickel oxide (A) was found to contain 77.70% Ni by mass.
(a) Calculate the empirical formula of A and state the two alternatives for the intrinsic defect that would on its own give rise to this formula.
(b) A has the NaCl-type structure and an experimental density of 6526 kg/m3. Assuming a cell parameter of 4.180 Å, state which of the two defects is present.
(c) State how the cell parameter of A could be determined experimentally and suggest how it would compare to that of stoichiometric NiO.
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Related Book For
Solid State Materials Chemistry
ISBN: 9780521873253
1st Edition
Authors: Patrick M. Woodward, Pavel Karen, John S. O. Evans, Thomas Vogt
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