Ethyl alcohol (C2H5OH ) can cause changes in the human body. A concentration above 0.46 g of ethyl alcohol per liter of blood, the risk of car accidents is twice as high. An adult has, on average, 7 liters of blood. In order for an adult person to have an alcoholic drink, without falling into the risk range, they must drink until:   a. 0.1 mol of ethyl alcohol molecules.   b. 0.07 mol of ethyl alcohol molecules.   c.  35 g of ethyl alcohol.   d. 0.5 mol of ethyl alcohol molecules.

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".