The density of a pure substance ' \( A \) ' whose atoms are in cubic close pack arrangement is \...

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The density of a pure substance ' \( A \) ' whose atoms are in cubic close pack arrangement is \( 1 \mathrm{~g} / \mathrm{cc} \). If all the tetrahedral voids are occupied by ' \( B \) ' atom, what is the density of resulting solid in \( \mathrm{g} / \mathrm{cc} \). [Atomic mass \( (A)=30 \mathrm{~g} / \mathrm{mol} \) and atomic mass \( (B)=50 \mathrm{~g} / \mathrm{mol} \) ]
(a) \( 3.33 \)
(b) \( 4.33 \)
(c) \( 2.33 \)
(d) \( 5.33 \)
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