Potassium superoxide, KO, is used in rebreathing gas masks to produce oxygen. The reaction of potassium superoxide with water is given as: ENCLOSE YOUR FINAL ANSWER) 4KO2 + 2H20 4KOH + 302 I1 2.85g KO2 reacts with 3.38g H20, answer the following: a) What is the limiting reactant? b) What is the excess reactant? c) How many grams of oxygen are formed? d) How many grams of excess reactant did not react?

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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".