The reaction that occurs in a breath analyzer, a device used to determine the alcohol level in a per — Chemical Kinetics Chemistry Question

Question

The reaction that occurs in a breath analyzer, a device used to determine the alcohol level in a person's blood stream is: 2K Cr O + 8H SO + 3C H O 2Cr (SO ) + 3C H O + 2K SO + 11H O If the rate of appearance of Cr (SO ) is 2.67 mol min at a particular time, the rate of disappearance of C H O at the same time is ________ mol min . (Nearest integer) 2 2 7 2 4 2 6 2 4 3 2 4 2 2 4 2 2 4 3 –1 2 6 –1