Ice crystallises in a hexagonal lattice having the volume of unit cell as \( 132 \times 10^{-24}...

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Ice crystallises in a hexagonal lattice having the volume of unit cell as \( 132 \times 10^{-24} \mathrm{~cm}^{3} \). If density is \( 0.92 \mathrm{~g} \mathrm{~cm}^{-3} \) at a given temperature, then number of \( \mathrm{H}_{2} \mathrm{O} \) molecules per unit cell is
(1) 1
(2) 2
(3) 3
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