Prior to breathalyzers, blood alcohol (C2H$OH) level can be determined by reacting a sample of blood plasma to an acidic potassium dichromate solution. This reaction can be monitored because the dichromate ion is orange and upon reaction to alcohol turns to green. Cr20Taq) + C2H5OH(aq) „3+ Crag) + CO2(g) If 31.05 ml of 0.0600 M potassium dichromate solution is enough to react with 30.0 g blood plasma, determine the mass percent of alcohol in the blood.

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Prior to breathalyzers, blood alcohol (C2H5OH) level can be determined by reacting a sample of blood plasma
to an acidic potassium dichromate solution. This reaction can be monitored because the dichromate ion is
orange and upon reaction to alcohol turns to green.
Cr20(ag) + C2H;OH(aq)
→ Crag) + CO2(g)
If 31.05 ml of 0.0600 M potassium dichromate solution is enough to react with 30.0 g blood plasma, determine
the mass percent of alcohol in the blood.
Transcribed Image Text:Prior to breathalyzers, blood alcohol (C2H5OH) level can be determined by reacting a sample of blood plasma to an acidic potassium dichromate solution. This reaction can be monitored because the dichromate ion is orange and upon reaction to alcohol turns to green. Cr20(ag) + C2H;OH(aq) → Crag) + CO2(g) If 31.05 ml of 0.0600 M potassium dichromate solution is enough to react with 30.0 g blood plasma, determine the mass percent of alcohol in the blood.
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