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m2s1- amounts of substances
amounts of substance
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Created by
Nifemi Ogundana
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Cards (11)
ionic equations
show the
ions
formed in
solution
and which
particles
are
reacting
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the mole - avogadro constant
6.02
x 10^
23
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Number of particles
avogadros
number
x number of
moles
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the mole - mass and mr
mass
(g) /
mr
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the mole -solutions
number of
moles
=
conc
(
moldm-3
) x
volume
(dm3)
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moles ideal gas equation
Pv
=
nRT
p=
pressure
(
pa
)
v =
volume
(
m3
)
n =
moles
r=
gas constant
(
8.314 jk-1mol-1
)
T =
temp
(
k
)
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converting units
m--
>
dm
--->
cm
- 1d
x10
x10
m2 ----> dm2 --->
cm2
- area
x100
x100
m3 -----> dm3 ------> cm3 ------> - volume
x1000 x1000
x1000
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emperical formula
simplest
whole number
ratio
of
element
in a
compound
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Percentage yeild formula
actual
yield
/
theoretical
yield x
100
yield is
never
100%
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theoretical yield
amount of products
produced
assuming
no
products are
lost
and all
reactants
react
fully
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Atom economy
how
efficient
a reaction is
molecular mass
of
desired products
////
sum of
molecular masses
of all
products
- takes into account
big number
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