document.write( "Question 1069028: what is the mass of hydrogen in 720 grams of water (H2O)\r
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Algebra.Com's Answer #684261 by Boreal(15235)\"\" \"About 
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Mass of hydrogen in 18 gms of water is 2
\n" ); document.write( "720 is scaling it up 40 times, since 40*18=720,
\n" ); document.write( "Scale hydrogen by a factor of 40 and get 80 grams.
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