(Answered) A persons blood alcohol c2h5oh level can be determined by

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A person's blood alcohol (C₂H₅OH) level can be determined by titrating a sample of blood plasma with a potassium dichromate solution. The balanced equation is 16 H⁺(aq) + 2 Cr₂O₇^2-(aq) + C₂H₅OH(aq) 4 Cr³⁺(aq) + 2 CO₂(g) + 11 H₂O(l) If 34.42 mL of 0.05906 M Cr₂O₇^2- is required to titrate 27.93 g plasma, what is the mass percent of alcohol in the blood?

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