1 Use the reaction shown below to answer these questions. 2CO(g) + 2NO(g) → N2(g) + 2CO2(g) If 42.7 g of CO is reacted completely at STP, what volume of N2 gas will be produced? 2 When heated, solid potassium chlorate (KCIO3) decom- poses to form solid potassium chloride and oxygen gas. If 20.8 g of potassium chlorate decomposes, how many liters of oxygen gas will form at STP?

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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".