An element crystallizes in a f.c.c. lattice with cell edge of 250 pm. The density, if 300 g of this element contain

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Q 1165278165.     An element crystallizes in a f.c.c. lattice with cell edge of 250 pm. The density, if 300 g of this element contain 2 × 10^24 atoms is
A

384 gcm^(-3)

B

3.84 gcm^(-3)

C

19.2 gcm^(-3)

D

38.4 gcm^(-3)

#### HINT

Use Density, d = (ZM)/(a^3N_A)

(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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