How many moles of hydrogen gas would be needed to react with excess carbon dioxide to produce 53.6 moles of water vapor?

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  • Mike A
    Lv 7
    6 months ago

    The other product is pretty important as it is likely to be methane and the equation needs to balance. One possibility is:

    CO2 + 4H2 ----------> CH4 + 2H2O

    But you could also have:

    CO2 + H2 --------> H2O + CO

    Or

    CO2 + 2H2 ---------> C + 2H2O

    You need clarification as there are three perfectly valid answers.

  • 6 months ago

    H2 + CO2 = H2O + ??

    It doesn't matter what the other product is, as long as it contains no hydrogen.

    (53.6 mol H2O) x (1 mol H2 / 1 mol H2O) = 53.6 mol H2

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