Stoichiometry is the calculation of the quantities of reactants and products in chemical reactions. There are several synonyms for the term staichiometry that can be used interchangeably. These synonyms include chemical arithmetic, reaction calculations, and mole ratio calculations. Chemical arithmetic refers to the mathematical calculations involved in stoichiometry while reaction calculations involve calculating the reactants and products in a chemical reaction. Similarly, mole ratio calculations are essential in determining the mole ratio of reactants and products in a balanced chemical equation. Overall, these synonyms help to describe the process of stoichiometry accurately, providing a comprehensive understanding of chemical reactions and the quantities involved in them.