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    A Compound containing only carbon, hydrogen and oxygen was analyzed and found to contain 70.6% carbon, 5.9% hydrogen, and 23.5% oxygen, by mass.
    The molecular weight of the compound is 136 amu. What is the molecular formula?

    a. C8H4O
    b. C8H8O2
    c. C9H12O
    d. C4H4O
    e. C5H6O2.

    © BrainMass Inc. brainmass.com March 4, 2021, 6:22 pm ad1c9bdddf
    https://brainmass.com/chemistry/stoichiometry/molecular-formula-42306

    Solution Preview

    Weight of C in compound = 0.706*136 = 96
    Therefore, number of C atoms = ...

    Solution Summary

    The solution finds the molecular formula.

    $2.49

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