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Thread: What Is The Atmospheric Concentration of H2O(g) ?

  1. #1 What Is The Atmospheric Concentration of H2O(g) ? 
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    Hi everyone, I need some help with finding the concentration of water vapour in the atmosphere in parts per million, eg C(CO2) = 385 ppm

    So what I'm asking is if anyone knows the answer to this:

    C(H2O) = ppm

    I would very much appreciate your help please..


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  3. #2  
    Forum Masters Degree organic god's Avatar
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    in molar terms it is about 1%


    everything is mathematical.
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  4. #3 h20 
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    seeing as how it varies all over the globe , there is no answer.
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