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March 28, 2017

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If 18.0g of CO2 is produced in the reaction of C2H2 with O2 to form CO2 and H2O how many grams of H2Oare produced

  • Chemistry - ,

    C2H2+O2->CO2+H2O
    First, notice that the chemical equation is not balanced. Add coefficients in front of the molecules of the reactants and/or products to get the number of atoms (C, H, O) for reactants = products.

    Convert the 18g of CO2 by the molar mass (this can be computed by looking at the periodic table i.e. 12.01g + 2(16g)) to convert CO2 to moles. Using the mole ratio (i.e. the coefficients of CO2 and H2O), you can convert mol CO2 to mol H2O.

    http://www.chemteam.info/Stoichiometry/Mole-Mass.html

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