the study of quantities of materials consumed
Stoichiometry
and produced in chemical equations
Mole to mole
mole to mass
imistinis
Mole to Mole
Howmany moles of oxygen are needed toproduce
Fe 0
A Given
jemtiteratio
Be unknown
Mog
of
12,21
4fe
302
Ife
0
Moles of
13
By
x
x
t
12.25moles of
dont forget significant
18.38 moles
2
of
02
Figures
Mole to Mass
many grams of Carbon Dioxide are produced when 2.75moles
of oxygen reacts with propane
How
Goergemnticebralaygoeeration
of
Mog
Hst 502
2.75 moles x
of 02
of
Moly
x
44
133
3
co
Mass to Mole
How
IftarMass of
x
many moles of potassium chloride
chlorate decomposes
Masa ofmmgim.mg
44.01 9mot
of
x
By
44.019and
are formedwhen
72.6g of CO2
30.0g of
Ignorecoefficients k
ketoses2pct t O
12.01
16 32
o
1.65moles of
CO2
l
O 2
Moles of
13
potassium
347g
122.55gmo
0.244798
30.0g 122.55
moles of KC0
X
0.245moles
of KCI
2
Mass to Mass
Howmany grams of hotel are needed to produce 80.2g of nickel II sulfide
213N
88
35
Y
Nits
0.375538
miles of N.gs
28,93gno
3
0.751077 x
mole op n
3
t
A 213.56gmo
58.69gmot
4filgof
im
j
Volume to Volume
How
many liters of hydrogengas are formed when 12.75L of
2ANH
Volume of
12.75L
Ng t
A
x
x
Ba
What volumes of
sulfurdioxidegas
I
Is
11
3
z
3 2
Volume of B
19 125L of H2
312
Ammonia decomposes
19.13L ofH
His gas and oxygen are
necessary toproduce 14.2L of
2502 2420
2
is
Volumeto Mass
I mole ofanygas at Stp
a volume of
22.4L
How many grams of aluminum chloride
are
formed when 8.25L of
r a
2AIL
311
2 Al
Ying Fu more
8 25 L
8
r
o
chloride gals redacts with aluminum at Stp
22.4
I
0.368306
moles of
x mo
miles
4
X
Ypg
guess
133.339mol
0.2455357
3
moles of
All
mo
s
3
All
Mass to Volume
117
4
Mike's
more
Er
b
miles
Mon.gs mIgrmor.o4s
x
22.4
Yr
dilism
How many liters of carbon dioxide are produced when 85.6g of
at STP
reacts with
Catto
oxygengas
262H
85.6g
4 02 t 6 H2O
32gmol 2.675 x
702
9
4
moles
1.52857moles
s
x
22.41
34.24 of
Party
Masa ofmajor
Mog
of
x
By
Master Flow Chart
Mok
of
gg
Mass of
N
Limiting Reactants
1
If 40 grams of Fe reacts with 40.0g of 02 How many
of Fe
are
grams
Life
40g
203
produced
3702
25 03
mass
40g
As
gg.gg
ffe
mole
x
44
3581moles
of Fe o
159.79mol
57.2
Fez03
Az
1.25 moles
49.01
ofOz
x
0.8333 moles
43
of 7203
13
x 451mg
I
who is the limiting reactant
who
2
is
the excess reactant
cross
out
Fe
is
is
3
How much of the excess reactant
Oz
limiting reactant
higher
number
excess reactant
is
left
over
C R becomes A
E R becomes B
7162moles
of Fe
x
53715
314
mile of o
x
32
134g of Oz
4.0
17.2
22 8g of
oxygen left
over
IF 4.1 grams of Cr is heated with 9.3grams
produced
dirt
3 2
9.3
4I
s gym
93g
2
0.078846
milk 12
33
1
2 2
of
Cla will be
Umass
0.078846
18638147
ord
158.35
158.35
12g Crab
14gr
3
Lower answer limiting reactant
answer
Howmany hamburgers
Find excess
2Ert 3812
0.078846
3
312
2043
0.118269
moles of Cl
x
20.94kg
How
much
used
8 4 9.3
ng of
is
excess