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# Stoichiometry

TermDefinition
theoretical yield the maximum amount of a given product that can be formed when the limiting reactant is completely consumed.
molar mass the mass in grams of one more of molecules or formula units of a substance; also called molecular weight
mass percent the percent by mass of a component of a mixture or of a given element in a compound
chemical equation a representation of a chemical reaction showing the relative numbers of reactant and product molecules
balancing a chemical equation making sure that all atoms present in the reactants are accounted for among the products
reactants a starting substance in a chemical reaction. It appears to the left of the arrow in a chemical equation
mole ratio the ratio of moles of one substance to moles of another substance in a balanced chemical equation
empirical formula the simplest whole-number ratio of atoms in a compound
mole the number equal to the number of carbon atoms in exactly 12 g of pure C-12: Avogadro's number. One more represents 6.022e23 units
chemical stoicihometry the calculation of the quantities of material consumed and produced in chemical reactions
molecular formula the exact formula of a molecule, giving the types of atoms and the number of each type.
limiting reactant the reactant that is completely consumed when a reaction is run to completion
average atomic mass the weighted average mass of the atoms in a naturally occurring element; also known as the atomic weight
percent yield the actual yield of a product as a percentage of the theoretical yield (actual yield*100%/theoretical yield)
products a substance resulting from a chemical equation. it is shown to the right of the arrow in a chemical equation
Created by: shudonmiller