Which of the following corresponds to   21H ? Group of answer choices triton hydrogen atom deuterium none of the choices   How much in grams present in 2 liters of 70% ethyl alcohol (Density of ethanol = 0.79 g/mL)? ethanol is C2H5OH = (24 + 6 + 16) = 46 g/mole

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A: The correct option is:

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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".