Question

Volume occupied by one molecule of water is? (density of water = 1 g/cm3)

Answer 1

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What is the volume of 1 molecule of water?

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26 ANSWERS



Rita Martin, Correspondent

Answered Jul 14, 2017

Density of water is 1000 g/L.

The gram molecular mass of water is 18.02.

The number of moles in 1 litre = 1000 / 18.02 = 55.5 moles.

1 mole of water = 6.022 x 10^23 molecules of water,

So 55.5 moles of water = 55.5 x 6.022 x 10^23 = 3.34 x 10^25 molecules of water.

3.34 x 10^25 molecules of water = 1 litre,

1 molecules of water = 1 /3.34 x 10^25

= 3.0 x 10^–24 litre.

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