stoichiometric coefficient


stoichiometric coefficient
The number that precedes the formula of a species in a balanced chemical equationA representation of a chemical reaction in which chemical symbols represent reactants on the left side and products on the right side.; gives the relative number of chemical formulaA represention of the elemental composition of a substance; subscripts are used to indicate the relative numbers of atoms of each kind of element present. units or the relative chemical amount (moles) of each species that is consumed or formed.