When a suspected drunk driver blows 188 ml of his breath, Ask an Expert

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When a suspected drunk driver blows 188 mL of his breath through the fuel-cell breathalyzer, the breathalyzer produces an average of 324 mA of current for 10s.Assuming a pressure of 1.0 atm and a temperature of 25 °C , what percent (by volume) of the driver's breath is ethanol?

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Category:- Chemistry
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