| A | B |
| How many moles of carbon dioxide are produced when 5 moles of carbon react with oxygen gas? | 5 moles |
| How many moles of methane are produced when carbon react with 2.5 moles of hydrogen gas? | 1.25 moles |
| How many grams of carbon dioxide are produced when carbon reacts with 3.5 moles of oxygen gas? | 154 g |
| How many moles of sulfur trioxide are produced when 5.00 g of sulfur react with oxygen gas? | 0.156 moles |
| What mass of sulfur trioxide is produced when sulfur reacts with 2.25 g of oxygen gas? | 3.75 g |
| How many grams of methane are produced when 0.5 moles of hydrogen react with carbon? | 4.00 g |
| How many moles of water are produced when 4.25 moles of oxygen react with hydrogen gas? | 8.50 moles |
| What mass of nitrogen is necessary to react with hydrogen and produce 25 kg of ammonia (nitrogen trihydride)? | 2.06 x 10^4 g |
| What mass of chlorine gas is necessary to react with hydrogen gas to produce 5.82 moles of hydrochloric acid | 207 g |
| What mass of chlorine gas is necessary to react with aluminum metal to produce 22.2 g of aluminum chloride? | 17.6 g |