Mole Lab Exercise
Name
Mole Lab Exercises
I. Pre Lab Questions Answer the following questions. (Hint: Your textbook will be helpful.) 1. ‘s number is the number of carbon atoms that are present in
12 g of 12C. 2. How many molecules of a compound are in one mole of that compound? 3. Write out the formula for finding percent by mass.
4. Write out the formula for finding Molarity.
5. The Formula Weight of a compound is equal to mole of that compound.
II. Procedures
A. Foiled Again
1. Cut out a 10x10 cm piece of aluminum foil.
2. Weigh the foil. Weight of foil =
3. What is atomic mass of aluminum?
4. How many atoms of aluminum are in the 10x10 cm sheet of foil?
5. How many atoms of aluminum are in a 1 cm2 piece of foil?
6. How many moles of aluminum are in the 10x10 cm sheet of foil?
7. How many moles of aluminum are in a 1 cm2 piece of foil?
8. What size sheet of aluminum foil would contain 50 moles of aluminum?
B. A Spoon Full of Sugar
1. Measure out and weigh one level teaspoon of ordinary table sugar. How much does the teaspoon of sugar weigh?
2. What is the scientific name for ordinary table sugar?
3. What is the chemical formula of table sugar? .
4. What is the formula weight of table sugar? .
5. How much would one mole of table sugar weigh? .
6. How many moles of sugar are in a teaspoon of table sugar? .
7. How many molecules of sugar are in a teaspoon of table sugar?
8. How many carbon atoms are in a molecule of table sugar?
9. How many carbon atoms are in a teaspoon of table sugar?
10. How many hydrogen atoms are in a molecule of table sugar?
11. How many hydrogen atoms are in a teaspoon of table sugar?
12. If you were to make a one liter solution containing dH2O and a teaspoon of table sugar, what would the Molarity of the solution be? 13. How many teaspoons of
Mole Lab Exercises
I. Pre Lab Questions Answer the following questions. (Hint: Your textbook will be helpful.) 1. ‘s number is the number of carbon atoms that are present in
12 g of 12C. 2. How many molecules of a compound are in one mole of that compound? 3. Write out the formula for finding percent by mass.
4. Write out the formula for finding Molarity.
5. The Formula Weight of a compound is equal to mole of that compound.
II. Procedures
A. Foiled Again
1. Cut out a 10x10 cm piece of aluminum foil.
2. Weigh the foil. Weight of foil =
3. What is atomic mass of aluminum?
4. How many atoms of aluminum are in the 10x10 cm sheet of foil?
5. How many atoms of aluminum are in a 1 cm2 piece of foil?
6. How many moles of aluminum are in the 10x10 cm sheet of foil?
7. How many moles of aluminum are in a 1 cm2 piece of foil?
8. What size sheet of aluminum foil would contain 50 moles of aluminum?
B. A Spoon Full of Sugar
1. Measure out and weigh one level teaspoon of ordinary table sugar. How much does the teaspoon of sugar weigh?
2. What is the scientific name for ordinary table sugar?
3. What is the chemical formula of table sugar? .
4. What is the formula weight of table sugar? .
5. How much would one mole of table sugar weigh? .
6. How many moles of sugar are in a teaspoon of table sugar? .
7. How many molecules of sugar are in a teaspoon of table sugar?
8. How many carbon atoms are in a molecule of table sugar?
9. How many carbon atoms are in a teaspoon of table sugar?
10. How many hydrogen atoms are in a molecule of table sugar?
11. How many hydrogen atoms are in a teaspoon of table sugar?
12. If you were to make a one liter solution containing dH2O and a teaspoon of table sugar, what would the Molarity of the solution be? 13. How many teaspoons of