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The density of solid W is 19.3 g/cm3. How many atoms are present per cubic centimeter of W?
As a solid, W adopts a body-centered cubic unit cell. How many unit cells are present per cubic centimeter of W?
What is the volume of a unit cell of this metal? What is the edge length of a unit cell of W? Please explain! Thanks!

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MissPhiladelphia
How many atoms are present per cubic centimeter of W?

Since it is a BCC cell, then it will have 4 atoms per unit cell.


As a solid, W adopts a body-centered cubic unit cell. How many unit cells are present per cubic centimeter of W?
(19.3 g/cm^3)( 1 mol / 183.84 g) ( 6.022x10^23 atoms / 1 mol ) ( 1 cell / 4 atoms) = 1.58x10^22 cells / cm^3

Hope this helps.

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