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Density of water (ρ) = 1g/cm3
Molar mass of water (M) = 18 g/mol
∴ Molar volume (Vm) = M/ρ
Vm = 18 cm3/mol
∴ Volume of 1 molecule of water = Vm/NA
Where NA is Avogadro number
Volume of 1 molecule of water = 18/(6.022 × 1023)
Volume of 1 molecule of water = 2.989 × 10-23 ≈ 3 × 10-23.
Explanation:
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