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Using the equation 2H2 + O2 ==> 2H2O, determine how many grams of water is produced when 13 moles of oxygen is consumed.

  • chemchemchem -

    13 moles Oxygen produces 13 moles of H2O.
    So, how many grams is that?

  • chemchemchem -

    13 X 18?
    234?

  • chemchemchem -

    looks good to me.

  • chemchemchem -

    but my site says that's wrong..

  • chemchemchem -

    so, what doe sit say is correct? Maybe it'll give me a clue where I messed up.

  • chemchemchem -

    it doesn't. It just tells me to try again.

  • chemchemchem -

    Well, if they oxygen as O2, then they'd want 13 moles of O2, that's twice as much O. So, maybe they want 468g

  • chemchemchem -

    yes! thank you it worked!

  • chemchemchem -

    thad do you know how to do #13?

  • chemchemchem -

    234

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