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 Cr2072-(aq) + C2H5OH(aq) → 4 Cr3+(aq) + 2 CO2(g) + 11 H20(1) If 30.29 mL of 0.05910 M Cr2072- is required to titrate 27.93 g plasma, what is the mass percent of alcohol in the blood plasma? 4.0 0.147 %

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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 Cr20,2-(aq) + C2H5OH(aq) → 4 Cr3+(aq) + 2 CO2(g) + 11 H20(1)
If 30.29 mL of 0.05910 M Cr2072- is required to titrate 27.93 g plasma, what is the mass percent of alcohol in the blood plasma?
4.0 0.147
%
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Transcribed Image Text: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 Cr20,2-(aq) + C2H5OH(aq) → 4 Cr3+(aq) + 2 CO2(g) + 11 H20(1) If 30.29 mL of 0.05910 M Cr2072- is required to titrate 27.93 g plasma, what is the mass percent of alcohol in the blood plasma? 4.0 0.147 % Submit Answer
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