Mass of watch glass and evaporating dish:67.511 g   Mass of watch glass, evaporating dish, and Mg ribbon:67.751 g   the mass of Mg (g): 0.240     Mass of watch glass, evaporating dish, and reacted Mg after cooling:68.465 g   the mass of the product (g): 0.714   the mass of Cl (g): .474   Mole calculations Calculate the moles of Mg in the product (mol)   Calculate the moles of Cl in the product (mol)

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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".