14. Titanium metal has a body-centered cubic unit cell. The density of titanium is 4.50 g/cm3 . Please calculate edge length of the unit cell to be _________pm.
(A) 328
(B) 32.8
(C)1420
(D) 142
(E)14.2

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統計： A(2), B(0), C(0), D(0), E(0) #2344817