Stoichiometry Practice Challenges

What is the mole ratio of mercury to oxygen in the decomposition of mercury oxide?

• 1:1

• 2:1

• 1:2

• None of the above

In the reaction of ammonium and nitrous oxide, how many moles of nitrogen monoxide are needed for every mole of nitrogen gas produced?

• 3 moles

• 5 moles

• 6 moles

• 4 moles

What is the mole ratio of ammonia to water in the breakdown of ammonium and nitrous oxide?

• 4:6

• 2:3

• None of the above

• 1:1

How many moles of ammonia are produced from six moles of hydrogen gas?

• 8 moles

• 6 moles

• 4 moles

• 2 moles

How many moles of potassium chlorate are needed to produce 15 moles of oxygen?

• 5 moles

• 10 moles

• 15 moles

• 20 moles

What is the molar mass of magnesium oxide used in the conversion?

• 40.3 grams

• 24.3 grams

• 30.2 grams

• 50.5 grams

What is the mass of glucose produced from 10 moles of carbon dioxide?

• 100 grams

• 200 grams

• 400 grams

• 300 grams

How many grams of ammonium nitrate are required to produce 33 grams of laughing gas?

• 80 grams

• 70 grams

• 60 grams

• 50 grams

How many moles of mercury oxide are needed to produce 125 grams of oxygen?

• 8.81 moles

• 6.81 moles

• 7.81 moles

• 9.81 moles

What is the mass of silver produced from 100 grams of copper?

• 89.9 grams

• 59.9 grams

• 69.9 grams

• 79.9 grams