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How much Hydrogen is in a gallon of water?

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WikiAnswers - How much hydrogen is in one gallon of water

If you mean hydrogen gas, H2, just naturally present in the water, then essentially none. If you mean how much hydrogen gas could be generated by the electrolysis of 1 gallon of water, that is a stoichiometry problem. The balanced reaction is: 2H2O --> 2…  see the full page

http://www.wikianswers.com/Q/How_much_hydrogen_is_in_one_gallon_of_water

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How much Hydrogen, the nonmetal periodic element number 1 is there in 1 gallons (United States liquid unit equal to 4 quarts or 3.785 liters) of Water, a common chemical compound of hydrogen and oxygen that is essential for the survival of all known forms of life?

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