Ice crystallises in a hexagonal lattice having a volume of the unit cell as \( 132 \times 10^{-2...

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