Calculate the concentration of oxygen in milligrams per liter required to completely oxidize the following organic compounds. Also calculate the volume of air in liters per liter of solution treated. Use 500 mg/L as the concentration of each compound. a. methyl tertiary butyl ether (MTBE), \mathrm{C}_{5} \mathrm{H}_{12} \mathrm{O} \text { b. benzvlmorphine, } \mathrm{C}_{24} \mathrm{H}_{5} \mathrm{NO}_{3} \text { c. bepridil, } \mathrm{C}_{24} \mathrm{H}_{34} \mathrm{~N}_{2} \mathrm{O} \text { d. toluene, } \mathrm{H}_{5} \mathrm{C}_{6} \mathrm{H}_{2} \mathrm{C}-\mathrm{H}

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