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    Percentage Yield in a Chemical Reaction

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    If the percent yield of the reaction shown below is 95.50%, how many grams of Cr2O3 must be used to produce 380.0 g of COCl2?
    Cr2O3 + 3CCl4 = 2CrCl3 + 3COCl2

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    https://brainmass.com/chemistry/stoichiometry/percentage-yield-chemical-reaction-176053

    Solution Preview

    Mass of COCl2 produced in the reaction = 3 * Molecular mass of COCl2 = 3 * (12 + 16 + 2*35.5) = 297 g

    Mass of Cr2O3 used in ...

    Solution Summary

    The percentage yields in a chemical reactions are analyzed.

    $2.19