Problem: An unknown metal is found to have a density of 6.87g/cm3 and to crystallize in a body-centered cubic lattice. The edge of the unit cell is 0.294 nm. Estimate the atomic mass of the metal.A. 55.8g/mol B. 52.6g/mol C. 105.2g/mol D. 221g/mol E. none of the above

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An unknown metal is found to have a density of 6.87g/cm3 and to crystallize in a body-centered cubic lattice. The edge of the unit cell is 0.294 nm. Estimate the atomic mass of the metal.

A. 55.8g/mol 

B. 52.6g/mol 

C. 105.2g/mol 

D. 221g/mol 

E. none of the above

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