A sample of pure water, whatever the source always contain ..................... by mass of oxygen and 11.1% by mass of hydrogen
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A sample of pure water, whatever the source contains 88.9% by mass of oxygen and 11.1% by mass of hydrogen.
Water only contains hydrogen and oxygen
total mass= mass of hydrogen +mass of oxygen
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A sample of pure water,whatever the source always contains 88.8% by mass of oxygen and 11.1% by mass of hydrogen
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