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    TsAllannah69's Avatar
    TsAllannah69 Posts: 1, Reputation: 1
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    #1

    Oct 6, 2008, 08:06 PM
    Moles
    Im having trouble with the moles steps. I know there's 3 steps, I need help with step to moles to moles.

    Question: If 12 moles of Al2O3 are produced, how many moles of aluminum reacted?
    Unknown008's Avatar
    Unknown008 Posts: 8,076, Reputation: 723
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    #2

    Oct 8, 2008, 01:30 AM

    Write the equation!

    Al ---> Al2O3 (we don't need to include the O2 to facilitate your understanding)

    When the Al is balanced, 2Al ---> Al2O3

    You see that 2 moles of Al will form 1 mole of Al2O3. So, can you do it now?

    Rate my answer if you don't mind:)
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