ACS Domain 3: Stoichiometry Welcome to your ACS Domain 3: Stoichiometry 1. ACS: Stoichiometry What is the mass in grams of sodium chloride that can be produced from the complete reaction of 85 grams of sodium with chlorine gas? 85 grams 142.5 grams 50 grams 121 grams None 2. ACS: Stoichiometry A reaction requires 0.75 moles of copper (II) sulfate. How many grams of copper (II) sulfate are necessary? 120 grams 150 grams 180 grams 240 grams None 3. ACS: Stoichiometry How many liters of hydrogen gas at STP can be produced from the reaction of 4.0 grams of zinc with excess hydrochloric acid? 0.56 L 1.12 L 2.24 L 4.48 L None 4. ACS: Stoichiometry If 5.0 moles of propane (C3H8) are burned completely in excess oxygen, how many moles of carbon dioxide are produced? 10 moles 15 moles 20 moles 30 moles None 5. ACS: Stoichiometry What is the limiting reagent when 3.0 grams of \( \text{Al} \) react with 4.0 grams of \( \text{O}_2 \) to form aluminum oxide? \( \text{Al} \) \( \text{O}_2 \) \( \text{Al}_2\text{O}_3 \) Neither None 6. ACS: Stoichiometry How many grams of \( \text{Fe}_2\text{O}_3 \) can be formed from the reaction of 8.4 grams of iron with excess oxygen? 12.0 grams 6.0 grams 11.2 grams 8.4 grams None 7. ACS: Stoichiometry What volume of carbon dioxide at STP is produced from the combustion of 100 grams of butane (\( \text{C}_4\text{H}_{10} \))? 134.4 L 268.8 L 336.0 L 672.0 L None 8. ACS: Stoichiometry A mixture of 5.0 grams of \( \text{H}_2 \) and 20.0 grams of \( \text{O}_2 \) is ignited. What is the mass of water vapor formed? 18.0 grams 25.0 grams 22.5 grams 20.0 grams None 9. ACS: Stoichiometry If 7.0 grams of nitrogen reacts with 3.0 grams of hydrogen, how many grams of ammonia are produced? 6.0 grams 8.5 grams 10.0 grams 17.0 grams None 10. ACS: Stoichiometry In the reaction where calcium carbonate decomposes into calcium oxide and carbon dioxide, how much carbon dioxide can be produced from 50 grams of calcium carbonate? 22 grams 44 grams 11 grams 33 grams None 1 out of 10 Time is Up! Time's up
