Question: A compound AB forms NaCl type crystals and another compound XY forms CsCl type crystals. The formula. Mass of XY is three times that

A compound AB forms NaCl type crystals and another compound XY forms

A compound AB forms NaCl type crystals and another compound XY forms CsCl type crystals. The formula. Mass of XY is three times that of AB but the cubic edge length of unit cell of AB crystals is twice that of XY. Calculate the ratio of density of XY to that of AB.

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