What is the mass of ONE water molecule?

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What is the mass of ONE water molecule?

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Answer 1 · 2017-04-30T17:11:50

Pretty small...........

Explanation:

You know that one mole of water, i.e. $N_{A}$ $N_A$ water molecules, has a mass of $18.01 \cdot g$ $18.01*g$ . And thus to get the mass of ONE water molelcule, we divide this molar mass by $N_{A} = 6.022 \times 10^{23}$ $N_A=6.022xx10^23$

And so $mass of one water molecule = \frac{18.01 \cdot g \cdot m o l^{- 1}}{6.022 \times 10^{23} \cdot m o l^{- 1}}$ $"mass of one water molecule"=(18.01*g*mol^-1)/(6.022xx10^23*mol^-1)$ $=$ $=$ $? ? g$ $??g$

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What is the mass of ONE water molecule?

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