40
CHEMACTIVITY 8B: HOW MUCH CAN WE MAKE?
POSSIBLE CLICKER QUESTIONS
After CTQ 8:
A BLT sandwich is made from four slices of bacon, two slices of tomato, two slices of bread, and
a piece of lettuce. You have 24 slices of bacon, 10 slices of tomato, 16 pieces of bread, and 10
pieces of lettuce.
1. How many sandwiches can you make?
2. What is the limiting ingredient?
3. There are enough ingredients to make 20 sandwiches, but only 18 come out of the kitchen.
What is the percent yield?
4. The limiting reactant is the reactant
5. 10 moles of O2 react with 2 moles of C6H12O6. What is the limiting reactant?
C6H12O6(s) + 6O2(g) 6H2O(l) + 6CO2(g)
41
6. 10 moles of O2 react with 2 moles of C6H12O6. How many moles of CO2 will be formed?
C6H12O6(s) + 6O2(g) 6H2O(l) + 6CO2(g)
7. To calculate the theoretical yield in grams from masses of reactants, which of the following
are required?
8. 53.2 g of Na reacts with 65.8 g of Cl2. What is the theoretical yield?
2 Na(s) + Cl2(g) 2 NaCl(s)