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Consider the combustion of propane (C3H8) in the presence of oxygen:

C3H8+5O2 => 3CO2+4H2O

How many grams of O2 are required to react completely with 3 moles of propane?

  • Chemistry -

    Using the coefficients in the balanced equation, convert 3 moles propane to moles oxygen.
    3 moles C3H8 x (5 moles O2/1 mole C3H8) = ?? moles O2.
    Then convert moles O2 to grams. g = moles x molar mass.

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