Question: A chemical brearhalyzer test works because ethyl alco hol in the

A chemical “brearhalyzer” test works because ethyl alco¬hol in the breath is oxidized by the dichromate ion (orange) to form acetic acid and chromium(III) ion (green). The balanced reaction is
You analyze a breathalyzer test in which 4.2 mg of K2Cr2O7 was reduced. Assuming the volume of the breath was 0.500 L at 30.°C and 750. mm Hg, what was the mole percent alcohol of the breath?

View Solution:

Sale on SolutionInn
  • CreatedMay 05, 2015
  • Files Included
Post your question