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    hallie531's Avatar
    hallie531 Posts: 2, Reputation: 1
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    #1

    Feb 2, 2011, 07:59 PM
    What are the number of grams of Li3N?
    smoothy's Avatar
    smoothy Posts: 25,490, Reputation: 2853
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    #2

    Feb 2, 2011, 08:47 PM

    Pick a number...
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #3

    Feb 3, 2011, 12:55 AM
    Quote Originally Posted by hallie531 View Post
    what are the number of grams of Li3N?
    Your question doesn't make sense...

    but 1 mol of a compound has the mass equal to the sum of the relative mass of each atom present in the compound.

    In other words, find the molecular mass of Li3N.

    Then, 1 mol of this has this mass in grams.

    If you're looking for some number 'x' moles, then

    x moles of Li3N will have a mass x times the mass of 1 mol.
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