Theoretical, Actual, and Percent Yield Problems Example 2

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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.

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