Solved: If analysis of a breath sample generates 770 x 10-4 m cr3, Chemistry

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If analysis of a breath sample generates 770 x 10-4 m cr3

Breathalyzers determine the alcohol content in a person's breath by the following (unbalanced) redox reaction:

C₂H₅OH + Cr₂O₇^2- → CH₃CO₂H + Cr³⁺ (acidic solution) If analysis of a breath sample generates 7.70 x 10^-4 M Cr³⁺ ions in 40.0 mL, how many mg of alcohol did it contain?

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Chemistry: If analysis of a breath sample generates 770 x 10-4 m cr3

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