Explanation:
Stoichiometric coefficients : these are the numeral which written before the chemical symbol of the chemical substance in a balanced chemical reaction.
We are given with the chemical equation which is used in blood alcohol content.The balanced chemical equation will be given as:
[tex]2K_2Cr_2O_7 + 8H_2SO_4 + 3C_2H_5OH\rightarrow 2Cr_2(SO_4)_3 + 2K_2SO-4 + 3CH_3COOH + 11H_2O[/tex]
The stoichiometric coefficient of potassium dichromate = 2
The stoichiometric coefficient of sulfuric acid= 8
The stoichiometric coefficient of ethanol= 3
The stoichiometric coefficient of potassium sulfate = 2
The stoichiometric coefficient of chromium(III) sulfate = 2
The stoichiometric coefficient of acetic acid = 3
The stoichiometric coefficient of water = 11