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Calculate the mass of one water molecule in kg

Sagot :

We know that Avogadro's number states:

1 mole H2O water = 18 g = 6.02x10^23 formula units (molecules, atoms, ions, etc.) ==> molecules of water here.

Procedure:

18 g water (1 mole) -------- 6.02x10^23 molecules of water

X --------- 1 molecule of water

X = 3.0x10^-23 g

Answer: 1 molecule of water = 3.0x10^-23 g