Stoichiometry

If you have 2.7mol of water and the other reactants are in excess, what is the highest number of moles of HNO₃ that can be produced?

• 1.35 moles
• 8.1 moles
• 10.8 moles
• 0.675 moles

If you have 400 g of Chlorine and Sodium is in excess, how many moles of NaCl can be produced? (rounded)

• 2.8 moles
• 11.3 moles
• 5.6 moles
• 1.0 moles

With 160 g of C₂H₆ and Oxygen in excess, how many grams of Carbon Dioxide can be produced? (rounded)

• 5.33 grams
• 10.67 grams
• 469.3 grams
• 704 grams

Which of the following is a product in this reaction?

• NO
• O₂
• H₂O
• HNO₃

If you have 100 grams of Na and 85 grams of Cl₂ which is he limiting reagent?

• Na
• Cl₂
• NaCl
• OsO₄

Which of the following is a reactant in this reaction?

• C₂H₆
• CO₂
• H₂O
• OsO₄

Which is NOT a way to describe the limiting reagent?

• The one that runs out first

• The one that produces the least amount of product

• The reactant that is not the excess reagent

• The one that produces the least amount of reactant

Which is NOT necessary for solving stoichiometry questions?

• Limiting Reagent

• Molar mass or number of moles

• A balanced reaction

• A balanced breakfast

Which of the following is NOT a step for determining limiting reagent?

• Converting to moles
• Converting moles of reactant to moles of product
• Making sure the reaction is balanced
• Adding up grams for both reactants

In the rxn 3 H₂ + N₂ --> 2 NH₃ what is the mole ratio of Hydrogen to ammonia (NH₃)?

• 1: 2

• 1: 3

• 2: 3

• 3: 2