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Atomic Number and Mass Number

If the mass o...

Question

If the mass of one molecule of water is 18 amu. What is the mass of one mole of water molecules?

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Solution

The mass of one mole of water molecule = Mass of one molecule $\times N_{A}$
The mass of one mole of water molecule = 18 $\times N_{A}$ amu
Also mass of one mole of water is its molar mass in grams. So the mass of one mole of water is 18 g.

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