Question

Name Date Period Limiting and Excess Reactants Directions Write the letter of the answer that best completes each sentence. 1. A reaction usually has limiting reactant(s). A one B two C three D four 2. Making a ham sandwich requires two slices of bread and one slice of ham. You have six slices of bread and four of ham. The limiting reactant is . A ham B cheese C bread D not listed 3. In a chemical reaction, the is used up first. A limiting reactant B limiting product C excess reactant D excess product 4. The limiting reactant limits the amount of . A time needed B product made C reactant used D gas produced 5. A substance that is not used up in a reaction is called the . A limiting reactant B limiting product C excess reactant D excess product 6. The reactant that theoretically produces less product is the . A limiting reactant B limiting product C excess reactant D excess product Directions Write the answer to each question. Use the balanced equation. 2Na(s) + Cl2(g) -> 2NaCl 7. What is the mole ratio for Na and Cl2 in this reaction? 8. What is the limiting reactant when 0.23 mol of Na reacts with 0.13 mol of Cl2? 9. How many moles of NaCl are produced by the reaction in question 8? 10. What is the limiting reactant when 72.4 g of Cl2 reacts with 90.7 g of Na?

          Name ____ Date ____ Period ____
Limiting and Excess Reactants
Directions Write the letter of the answer that best completes each sentence.
1. A reaction usually has ____ limiting reactant(s).
A one B two C three D four
2. Making a ham sandwich requires two slices of bread and one slice of ham. You have six slices of bread and four of ham. The limiting reactant is ____.
A ham B cheese C bread D not listed
3. In a chemical reaction, the ____ is used up first.
A limiting reactant B limiting product C excess reactant D excess product
4. The limiting reactant limits the amount of ____.
A time needed B product made C reactant used D gas produced
5. A substance that is not used up in a reaction is called the ____.
A limiting reactant B limiting product C excess reactant D excess product
6. The reactant that theoretically produces less product is the ____.
A limiting reactant B limiting product C excess reactant D excess product
Directions Write the answer to each question. Use the balanced equation.
2Na(s) + Cl2(g) -> 2NaCl
7. What is the mole ratio for Na and Cl2 in this reaction?
8. What is the limiting reactant when 0.23 mol of Na reacts with 0.13 mol of Cl2?
9. How many moles of NaCl are produced by the reaction in question 8?
10. What is the limiting reactant when 72.4 g of Cl2 reacts with 90.7 g of Na?

Name Date Period
Limiting and Excess Reactants
Directions Write the letter of the answer that best completes each sentence.
1. A reaction usually has limiting reactant(s).
A one B two C three D four
2. Making a ham sandwich requires two slices of bread and one slice of ham. You have six slices of bread and four of ham. The limiting reactant is .
A ham B cheese C bread D not listed
3. In a chemical reaction, the is used up first.
A limiting reactant B limiting product C excess reactant D excess product
4. The limiting reactant limits the amount of .
A time needed B product made C reactant used D gas produced
5. A substance that is not used up in a reaction is called the .
A limiting reactant B limiting product C excess reactant D excess product
6. The reactant that theoretically produces less product is the .
A limiting reactant B limiting product C excess reactant D excess product
Directions Write the answer to each question. Use the balanced equation.
2Na(s) + Cl2(g) -> 2NaCl
7. What is the mole ratio for Na and Cl2 in this reaction?
8. What is the limiting reactant when 0.23 mol of Na reacts with 0.13 mol of Cl2?
9. How many moles of NaCl are produced by the reaction in question 8?
10. What is the limiting reactant when 72.4 g of Cl2 reacts with 90.7 g of Na?

Added by Brian M.

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