What is the mass of one mole of water?

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Answer 1 · 2016-01-04T09:49:43

18 grams

The mass of one mole of any atom/molecule is equal to its atomic molecular mass in grams.

The molecular formula of water is $H_{2} O$ $H_2O$

The atomic mass of $H$ $H$ = 1

The atomic mass of $O$ $O$ = 16

In a sense, the formula means $H$ $H$ + $H$ $H$ + $O$ $O$

So... 1 + 1 + 16 = 18

Therefore, the mass of one mole of water = 18 Grams