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Mole to Mole
Mole to Mass
Mass to Mole
Mass to Mass
Percent Yield
100

2 KClO3 --> 2 KCl + 3 O2  

How many moles of O2 will be formed from 1.65 moles of KClO3?

2.48 moles

100

2 KClO3 --> 2 KCl + 3 O2 

How many grams of O2 will be produced from 3 moles of KClO3


144g


100

2 KClO3 --> 2 KCl + 3 O2 

How many moles of KClO3 will be need to produce 44 grams of O2

0.92 Moles
100

4 Fe + 3 O2 --> 2 Fe2O3

How many grams of O2 are needed to react with 125 grams of Fe? 

53.7g

100

4 Fe + 3 O2 --> 2 Fe2O3

What is the limiting reactant in a reaction with 5 moles Fe and 7 moles of O2

Fe

200

2 KClO3 --> 2 KCl + 3 O2 

How many moles of KClO3 are needed to make 3.50 moles of KCl? 


3.5 Moles

200

2 KClO3 --> 2 KCl + 3 O2 

How many grams of KClO3 will be produced from 7 moles of O2?

571.7g

200

2 KClO3 --> 2 KCl + 3 O2 


How many moles of O2 will be produced from 372 grams of KClO3

4.56 Moles

200

2 KClO3 --> 2 KCl + 3 O2  

How many grams of O2 will be formed from 3.76 grams of KClO3?

1.47g

200

2 KClO3 --> 2 KCl + 3 O2 

What is the Percent yield in a reaction that produced 3 moles of O2 and used 200g of KClO3

81.6%

300

4 Fe + 3 O2 --> 2 Fe2O3

How many moles of Fe2O3 are produced when 0.275 moles of Fe are reacted?

0.138 Moles

300

4 Fe + 3 O2 --> 2 Fe2O3

How many grams of Fe2O3 will be produced from 4 mol of O2

425.6g

300

4 Fe + 3 O2 --> 2 Fe2O3

How many moles of Fe were needed to produce 432 grams of Fe2O3

5.4 grams

300

2 KClO3 --> 2 KCl + 3 O2 

How many grams of KCl will be formed from 2.73 g of KClO3?

1.66 g

300

4 Fe + 3 O2 --> 2 Fe2O3

What is the percent yield in a reaction that produced 159 grams of Fe2O3 and used 55 grams of O2

86.9%

400

4 Fe + 3 O2 --> 2 Fe2O3

How many moles of Fe2O3 are produced when 31.0 moles of O2 are reacted?

20.7 Moles

400

4 Fe + 3 O2 --> 2 Fe2O3


How many grams of Fe will be needed to produce 7 moles of Fe2O3

781.2g

400

4 Fe + 3 O2 --> 2 Fe2O3

How many moles of O2 were needed to produce 142 grams of Fe2O3

1.33 moles

400

4 Fe + 3 O2 --> 2 Fe2O3

How many grams of Fe2O3 are produced when 17.0 grams of O2 is reacted? 

56.6g

400

4 Fe + 3 O2 --> 2 Fe2O3

What is the percent yield in a reaction that produced 120 grams of Fe2O3 and used 

71.9%

500

4 Fe + 3 O2 --> 2 Fe2O3

How many moles of O2 are needed to react with 8.9 moles of Fe?

6.7 Moles

500

2 C4H10 + 13 O2 --> 8 CO2 + 10 H2O  


How many grams of C4H10 will be needed to produce 5 moles of CO2

72.5g

500

2 C4H10 + 13 O2 --> 8 CO2 + 10 H2O  


How many moles of H2O would be produced from 79 grams of C4H10

6.8 moles

500

2 C4H10 + 13 O2 --> 8 CO2 + 10 H2O  

How many grams of CO2 are produced from the combustion of 100. grams of butane?

303g

500

2 C4H10 + 13 O2 --> 8 CO2 + 10 H2O  

What is the percent yield in a reaction that produce 300 grams of CO2 and used 111 grams of C4H10

89.1%