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    jmm0415's Avatar
    jmm0415 Posts: 1, Reputation: 1
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    #1

    May 22, 2009, 12:58 PM
    Solving for Conversions
    There are 2.60 1015 short tons of oxygen in the atmosphere (1 short ton = 2000 lb). How many metric tons of oxygen are present (1 metric ton = 1000 kg)?
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #2

    May 22, 2009, 02:06 PM

    This is just a simple conversion.



    So, where do you get the conversion factor? Let me google that for you.
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    PM0241891 Posts: 1, Reputation: 1
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    #3

    Jun 3, 2009, 09:05 AM
    If I have 1g/ 30ml of a solution and I take out 5ml of that what is the concentration of the 5mL?
    Perito's Avatar
    Perito Posts: 3,139, Reputation: 150
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    #4

    Jun 3, 2009, 11:15 AM
    Quote Originally Posted by PM0241891 View Post
    If I have 1g/ 30ml of a solution and I take out 5ml of that what is the concentration of the 5mL?
    Please post new questions in new threads.

    -------------------------------------------------

    The concentration is a property of the solution as a whole. If the concentration is 1g/30 ml,



    regardless of how much you took.

    If the question what is the mass of material that was taken, then


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