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17 Cards in this Set

  • Front
  • Back
the study of the measurable relationships that exist in chemical formulas and reactions
mole-to-mole problem
when you convert moles of one substance to moles of another
(law of conservation of matter)
(get the moles to grams, so 2 mol X ? g/? mol)
(major categories of stoichiometry problems)
(mass-mass, mass-volume, volume-volume)
mass-mass problem
you are given the mass of one substance and are asked to find the mass of another substance in the same reaction
mass-volume problem
you are given the mass of one substance and asked to find the volume of another
volume-volume problem
you are given a volume and asked to find a volume
(volume-volume problem)
(number you have X the ratio of the two)
little equation thingy
quantity of given - convert to moles - moles of given - use molar ratio - moles of unknown - convert to desired units - quantity of unknown
limiting reactant
the reactant that limits the amount of product formed in a chemical reaction
(the quantities of products formed in a reaction are always determined by the _____ of the limiting reactant)
expected yield
the amount of a product that should be produced based on calculations
actual yield
the amount of a product that is really obtained from a chemical reaction
percent yield
what percent of the expected yield was actually obtained
(percent yield)
(actual yield/expected yield X 100%)
(the coefficients in a balanced chemical equation represent the ___________ of _______ of each substance)
(relative number, moles)
(mole calculations can be used to verify that ___________)
(mass is conserved in a chemical reaction)