Some hypothetical alloy is composed of 25 wt% of metal A and 75 wt% of metal B. If the densities of metals A and B are 6.17 and 8.00 g/cm' respectively, whereas their respective atomic weights are 171.3 g/mol and 162 g/mol respectively, determine the crystalline structure of the alloy assuming a unit cell edge length of 0.332nm.

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