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    Calculating Mass Percentages

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    Question: Calculate the mass percent of methanol, ethanol, and MTBE, that must be present in gasoline to yield a mixture of 1.8% oxygen by weight.

    © BrainMass Inc. brainmass.com June 7, 2023, 2:44 pm ad1c9bdddf

    Solution Preview

    First, we have to figure out a ratio. Since you require 1.8% oxygen by mass, let's use 1 Kg of gasoline. In this one kilogram of gasoline we have 1000 grams. For their to be 1.8% by mass oxygen, there must be 18 g of oxygen. This means that there is 1.125 moles of oxygen needed in ...

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    This solution is comprised of a detailed explanation of the steps required to solve for this environmental chemistry based problem. All values and calculations required are provided and explained within the solution. The answer is also given, and this solution is detailed enough to understand how it was obtained.


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