SOLUTION: what is the mass of hydrogen in 720 grams of water (H2O)

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Question 1069028: what is the mass of hydrogen in 720 grams of water (H2O)

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Mass of hydrogen in 18 gms of water is 2
720 is scaling it up 40 times, since 40*18=720,
Scale hydrogen by a factor of 40 and get 80 grams.