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    cbone Posts: 1, Reputation: 1
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    #1

    Jul 23, 2010, 07:11 AM
    Calculating the number of moles
    When .500 mole of sodium is produced according to the reaction 2NaN3->3Na+Na, how many moles of Nitrogen gas are also produced?
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    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Jul 24, 2010, 11:17 AM

    Your equation is not good.

    Is it:



    Then, balance your equation to give:



    From here, you know that when 3 moles of Na are produced, you also get 1 mole of nitrogen gas.

    Use proportions to find the number of moles of Nitrogen gas produced when 0.5 moles of Na are produced.

    3 moles Na -> 1 mole N2
    1 mole Na -> 1/3 mole N2
    0.5 mole Na -> ? Moles N2
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