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STOICHIOMETRY

General concepts and exercises

AB
Avogadro's number6.02 x 1023
Equation: 2 moles of sodium react with 2 moles of water to produce 2 moles sodium hydroxide and 1 mole hydrogen2Na + 2H2O ---> 2NaOH + H2
Grams of oxygen produced when 4 moles of water are decomposed by electrolysis (2H2O --> O2 + 2H2)64 grams
Grams of NaCl produced when 2 moles NaOH reacts with 2 moles HCl (NaOH + HCl --> NaCl + H2O)117 grams
The reactant that is consumed completely in a chemical reactionLimiting reactant
Actual amount of a product expressed as a percentage of the calculated theoretical yield of that producePercentage yield
_____ are the starting substances in a reaction.Reactants
______ are the substances resulting from a reaction.Products
The quantitative study of chemical reactions is called ________.Stoichiometry
The amount of atoms, molecules, ions, in general, chemical species that are present in 1 mole of material is known as _________.The Avogadro's number


Mr. Aristizabal

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