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gcse’s
Chemistry
P1
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Created by
Matilda
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Cards (9)
moles =
mass
/ Mr
Volume of gas =
mass
/
Mr
x
24
Concentration =
moles
or
mass
/
volume
percentage yield =
mass
of
actual
yield /
mass
of
theoretical
yield x
100
atom economy = Mr of
desired
product /
Mr
of
total
product x
100
percentage mass =
Ar
x number of
atoms
/ Mr x
100
1dm^3 =
1000cm^3
avogadro's
constant
6.02x10^23
percentage yield is always less than
100%
