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###### 9. Show that Mgo has the sodium chloride crystal structure and calculate the density of Mgo....

9. Show that Mgo has the sodium chloride crystal structure and calculate the density of Mgo. Mg+2 = 0.066 nm and ro-2 = 0.132 nm, The atomic masses are 24.312 and 16 g/mol for magnesium and oxygen, respectively. (10%)

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