Magnesium (used in the manufacture of light alloys) reacts with iron(III) chloride to form magnesium chloride and iron. 3Mg(s) + 2FeCl₃(s) → 3MgCl₂(s) + 2Fe(s) A mixture of 41.0 g of magnesium ( mm= 24.31 g/mol) and 175 g of iron(III) chloride ( mm= 162.2 g/mol) is allowed to react. MMof MgCl2=105.216 g/mol. 1. What is the limiting reactant? 2. how many grams of excess reactants will remain? 3. How many grams of MgCl2 will be formed? 4. If 142 g of MgCl2 were formed, what is the percent yeild for the reaction? No decimals.

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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".