Comprehension VIII A cubic unit cell contains manganese ions at the corners and fluoride ions at...

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Comprehension VIII
A cubic unit cell contains manganese ions at the corners and fluoride ions at the centre of each edge \( (M n=55, F=19 \), \( \left.N_{\mathrm{A}}=6 \times 10^{23}\right) \)
The density of solid is
(a) \( 2.92 \mathrm{~g} / \mathrm{cm}^{3} \)
(b) \( 5.84 \mathrm{~g} / \mathrm{cm}^{3} \)
(c) \( 8.75 \mathrm{~g} / \mathrm{cm}^{3} \)
(d) \( 23.33 \mathrm{~g} / \mathrm{cm}^{3} \)
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