theoretical, actual, and percent yield problems example 2
TRANSCRIPT
Theoretical, Actual, and Percent Yield
Problems
Example 2
A reaction that can be used to extract arsenic metal from one of its ores is:
A reaction that can be used to extract arsenic metal from one of its ores is:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
When 6.50 kg of As2O3 is added to an excess of C and heated,
A reaction that can be used to extract arsenic metal from one of its ores is:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
A reaction that can be used to extract arsenic metal from one of its ores is:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
A reaction that can be used to extract arsenic metal from one of its ores is:
When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.a) Determine the theoretical yield of As in
kg.
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
b) Determine the actual yield of As in kg.
A reaction that can be used to extract arsenic metal from one of its ores is:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3
2 3(s) (s) 2(g) (s)3CO2As O 3C 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3
Because there is an excess of carbon, we can ignore it.
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As g As
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3 2 32 3
2 3 2 3 2 3
1000g As O 1mol As O mol As 74.92g As 1kg As6.50kg As O
1kg As O 197.84g As O
4
mol As O 1mol As 1000g As
4.92k
2
g As
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As g As kg As
22 3
32 3
2 3 2 3 2 3
1000g As O 1mol As O mol As 74.92g As 1kg As
1kg As O 197.84g As O mol As O 1mol6.50k
As 1000g As
4.92kg As
g A O4
2s
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3
2 3
2 32
2 3 23
3
1000g As O6.50
1mol As O mol As 74.92g As 1kg As
197.84g As O mol As O 1molkg As O
1kg As As 1000g As
4.92k
4
2
g As
O
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3 2 32 3
2 3 2 3 2 3
mol A1000 4
2
s 74.92g As 1kg As
mol As O 1mol As 1000g As
4.92kg
g As O 1mol As O6.50kg As O
1kg As O 197.84g As O
As
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)As O 3C 3CO2 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3 2 32 3
2 3 2 3 2 3
1000g As O 1mol As O6.50kg As O
1kg As O 197.84g As O
mol As 74.92g As 1kg As
mol As O 1mol As 1000g As
4.92kg As
4
2
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)As O 3C 3CO2 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3 2 32 3
2 3 2 3 2 3
1000g As O 1mol As O6.50kg As O
1kg As O 197.84g As O
mol As 74.92g As 1kg As
mol As O 1mol As 1000g As
4.92kg As
4
2
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3 2 32 3
2 3 2 3 2 3
1000g As O 1mol As O 4mol As6.50kg As O
1kg As O 197.84g As O
74.92g As 1kg As
1mo2m l As 1000g As
4.92kg As
ol As O
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3 2 32 3
2 3 2 3 2 3
1000g As O 1mol As O 4mol As 74.92g As6.50kg As O
1kg As O 197.84g As O
1kg As
1000g As
4.92kg A
2mol As 1
s
O mol As
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3 2 32 3
2 3 2 3 2 3
1000g As O 1mol As O 4mol As 74.92g As 1kg As6.50kg As O
1kg As O 197.84g As O 2mol As O 1mol As 1000g As
4.92kg As
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3 2 32 3
2 3 2 3 2 3
1000g As O 1mol As O 4mol As 74.92g As 1kg As6.50kg As O
1kg As O 197.84g As O 2mol As O 1mol As 1000g As
4.92kg As
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3 2 32 3
2 3 2 3 2 3
1000g As O 1mol As O 4mol As 74.92g As 1kg As6.50kg As O
1kg As O 197.84g As O 2mol As O 1mol As 1000g As
4.92kg As
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3 2 32 3
2 3 2 3 2 3
1000g As O 1mol As O 4mol As 74.92g As 1kg As6.50kg As O
1kg As O 197.84g As O 2mol As O 1mol As 1000g As
4.92kg As
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3 2 32 3
2 3 2 3 2 3
1000g As O 1mol As O 4mol As 74.92g As 1kg As6.50kg As O
1kg As O 197.84g As O 2mol As O 1mol As 1000g As
4.92kg As
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
PLAN:kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3 2 32 3
2 3 2 3 2 3
1000g As O 1mol As O 4mol As 74.92g As 1kg As6.50kg As O
1kg As O 197.84g As O 2mol As O 1mol As 1000g As
4.92kg As
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3 2 32 3
2 3 2 3 2 3
1000g As O 1mol As O 4mol As 74.92g As 1kg As6.50kg As O
1kg As O 197.84g As O 2mol As O 1mol As 1000g As
4.92kg As
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3 2 32 3
2 3 2 3 2 3
1000g As O 1mol As O 4mol As 74.92g As 1kg As6.50kg As O
1kg As O 197.84g As O 2mol As O 1mol As 1000g As
4.92kg As
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
kg As2O3 g As2O3 mol As2O3 mol As g As kg As
2 3 2 32 3
2 3 2 3 2 3
1000g As O 1mol As O 4mol As 74.92g As 1kg As6.50kg As O
1kg As O 197.84g As O 2mol As O 1mol As 1000g As
4.92kg As
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
a) Determine the theoretical yield of As in kg.
2 3 2 32 3
2 3 2 3 2 3
1000g As O 1mol As O 4mol As 74.92g As 1kg As6.50kg As O
1kg As O 197.84g As O 2mol As O 1mol As 1000g As
4.92kg As
Theoretical yield = 4.92 kg
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Using the reaction:
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
100%
77.5%4.92kg 3.81k
g
100%
100%
Actual YieldPercent Yield
Theoretical YieldPercent Yield
Actual Yield Theoretical Yield
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
100%
77.5%4.92kg 3.81k
g
100%
100%
Actual YieldPercent Yield
Theoretical YieldPercent Yield
Actual Yield Theoretical Yield
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
100%
100% 100%
Actual YieldPercent Yield
Theoretical
TheoreticalYield TheoreticalYield
Yield
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
100%
100% 100%
Actual YieldPercent Yield
Theoretical
TheoreticalYield TheoreticalYield
Yield
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
100%
100% 100%
Actual YieldPercent Yield
Theoretical
TheoreticalYield TheoreticalYield
Yield
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
100%
100% 100%
Actual YieldPercent Yield
Theoretical
TheoreticalYield TheoreticalYield
Yield
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
100%
100% 100%
Actual YieldPercent Yield
Theoretical
TheoreticalYield TheoreticalYield
Yield
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
100%
100% 100%
Actual YieldPercent Yield
Theoretical
TheoreticalYield TheoreticalYield
Yield
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
100% 100
100%
%
Percent Yield Actual Yield
Theoretical Yield
TheoreticalYieldTheoreticalYield
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
100% 100
100%
%
Percent Yield Actual Yield
Theoretical Yield
TheoreticalYieldTheoreticalYield
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
100%77.5%
4.92
1
kg 3.81k
00%
100%g
Percent YieldActual Yield Theoretica
Actual Y
l Yiel
ieldPercent Yield
Theoretical Y
d
ield
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
100%
77.5%4.92kg 3.81k
g
100%
100%
Actual YieldPercent Yield
Theoretical YieldPercent Yield
Actual Yield Theoretical Yield
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
100%
77.5%4.92kg 3.81k
g
100%
100%
Actual YieldPercent Yield
Theoretical YieldPercent Yield
Actual Yield Theoretical Yield
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
77.5%4.92kg 3.81
100%
100%
10kg
0%
Actual YieldPercent Yield
Theoretical Yield
Actual YiePercent Yield
ld Theoretical Yield
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
100%
4.92kg 3.81k
100%
77. %
100%g
5
Actual YieldPercent Yield
Theoretical YieldPercent Yield
Actual Yie Theoretical Yieldld
Theoretical yield = 4.92 kg Percent yield = 77.5%
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
100%
3.81k
100%
77.5%4.92 gkg
100%
Actual YieldPercent Yield
Theoretical YieldPercent Yield
Actual Yie Theoretical Yieldld
Theoretical yield = 4.92 kg Percent yield = 77.5%
100%
77.54.92kg 3.81k
100%
g%
%100
Actual YieldPercent Yield
Theoretical YieldPercent Yield
Actual Yield Theoretical Yield
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
Theoretical yield = 4.92 kg Percent yield = 77.5%
100%
3.81kg
100%
77.5%4.92kg
100%
Actual YieldPercent Yield
Theoretical YieldPercent Yield
Actual Yield Theoretical Yield
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
Theoretical yield = 4.92 kg Percent yield = 77.5%
100%
3.81kg
100%
77.5%4.92kg
100%
Actual YieldPercent Yield
Theoretical YieldPercent Yield
Actual Yield Theoretical Yield
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As
b) Determine the actual yield of As in kg.
Theoretical yield = 4.92 kg Percent yield = 77.5% Actual yield = 3.81 kg
Theoretical yield = 4.92 kg Percent yield = 77.5% Actual yield = 3.81 kg
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Theoretical yield = 4.92 kg Percent yield = 77.5% Actual yield = 3.81 kg
a) The theoretical yield of As = 4.92 kg.
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.
Theoretical yield = 4.92 kg Percent yield = 77.5% Actual yield = 3.81 kg
a) The theoretical yield of As = 4.92 kg.b) The actual yield of As = 3.81 kg.
2 3(s) (s) 2(g) (s)2As O 3C 3CO 4As When 6.50 kg of As2O3 is added to an excess of C and heated, a 77.5% yield of As is produced.