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# A compound formed by elements X and Y, Crystallizes in the cubic structure, where X is at the corners of the cube and Y is at the six face centers. What is the formula of the compound? If side length is 5A$^{\large\circ}$, estimate the density of the solid assuming atomic weight of of X and Y as 60 and 90 respectively.

$XY_3,4.38gm/cm^3$