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How many moles of O2 are needed for the complete combustion of 3 moles of CH4?

  • Chemistry -

    Write and balance the equation, then use the coefficients.
    CH4 + 2O2 ==> CO2 + 2H2O

    The equation tells you that 1 mol CH4 requires 2 mols O2; therefore, 3 mols CH4 will require......mols O2.

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