A student carried out the synthesis of aspirin as described using 3.00 g of salicylic   acid and 6.0 ml. of acetic anhydride and obtained 1.306 g of aspirin.  (a) Calculate the amount of salicylic acid used in moles:  (salicylic acid molar mass: 138.12 g/mol)     (b) Calculate the mass (g) of acetic anhydride used:   (acetic anhydride density: 1.08 g/cm³, Molar mass: 102.09 g/mol)  (c) Calculate the amount of acetic anhydride used in moles:     (d) Which one is the limiting reactant?

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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".