An element with density \( 11.2 \mathrm{~g} \mathrm{~cm}^{-3} \) forms fcc lattice \( \mathrm{P}...

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An element with density \( 11.2 \mathrm{~g} \mathrm{~cm}^{-3} \) forms fcc lattice
\( \mathrm{P} \)
with edge length of \( 4 \times 10^{-8} \mathrm{~cm} \). Calculate the atomic
W
mass of the element. \( \left(\mathrm{N}_{\mathrm{A}}=6.02 \times 10^{23} \mathrm{~mol}^{-1}\right) \)
(A) \( 107.9 \mathrm{~g} \mathrm{~mol}^{-1} \)
(B) \( 109.9 \mathrm{~g} \mathrm{~mol}^{-1} \)
(C) \( 107 \mathrm{~g} \mathrm{~mol}^{-1} \)
(D) \( 108.9 \mathrm{~g} \mathrm{~mol}^{-1} \)
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