did a lab to see the reactivity between metals and solutions.  I put an iron pin in copper sulfate solution and a magnesium strip in iron sulfate solution.  Are the equations below the overall single displacement reactions or the chemical reactions, are they the same thing?  If not please help with the single displacement reactions, thank you!!! Fe (s) + CuSO4 (aq) --> FeSO4 (aq) + Cu (s)  Mg (s) + FeSO4 (aq) --> MgSO4 (aq) + Fe (s)

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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".