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The reaction that occurs in a Breathalyzer, a device used to determine the alcohol level in a ...

The reaction that occurs in a Breathalyzer, a device used to determine the alcohol level in a person's bloodstream, is given below. If the rate of appearance of Cr₂(SO₄)₃ is 1.64 mol min^-1 at a particular moment, what is the rate of disappearance of C₂H₆O at that moment?

2 K₂Cr₂O₇(aq) + 8 H₂SO₄(aq) + 3 C₂H₆O(aq) → 2 Cr₂(SO₄)₃(aq) + 2 K₂SO₄(aq) + 11 H₂O(l)

▸ 0.547 mol min^-1

▸ 1.09 mol min^-1

▸ 2.46 mol min^-1

▸ 4.92 mol min^-1

Textbook

General Chemistry: Principles and Modern Applications

Edition: 11^th

Authors: Petrucci, Herring, Madura, Bissonnette

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