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module 2
amount of substance
reacting quantities
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Cards (7)
stoichiometry
ratio of compounds in a reaction
percentage yield =
actual yield
/
theoretical yield
x
100
theoretical yield
maximum
possible amount of
product
limiting reagent
a reactant that is not in
excess
so will be completely used up first and stop the
reaction
atom economy
a
measure
of how well atoms have been
utilised
reactions with high atom economies:
produce a
large proportion
of
desired products
and
few unwanted waste products
make the
best use
of
natural resources
atom economy = Mr of desired products/ Mr of all products x 100
