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    akshat123's Avatar
    akshat123 Posts: 1, Reputation: 1
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    #1

    Dec 4, 2011, 12:20 AM
    Which of the following contains one mole molecules of the substance?
    a}16g oxygen
    b}7g nitrogen
    c}2g hydrogen
    d}36g water
    DrBob1's Avatar
    DrBob1 Posts: 425, Reputation: 86
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    #2

    Dec 4, 2011, 04:52 PM
    You must know the definition of a mole;
    You must know the formulas of molecules of these elements and the compound.
    You must have access to a periodic table.
    You have everything you need!!
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