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(a) Suppose that Li2O is added as an impurity

(a) Suppose that Li2O is added as an impurity

(a) Suppose that Li2O is added as an impurity to CaO. If the Li+ substitutes for Ca2+, what kind of vacancies would you expect to form? How many of these vacancies are created for every Li+ added?
(b) Suppose that CaCl2 is added as an impurity to CaO. If the Cl- substitutes for O2-, what kind of vacancies would you expect to form? How many of the vacancies are created for every Cl- added?

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