Chemical Composition of Al2(CO3)3

The video tutorial explains how to determine the number of atoms in aluminum carbonate, Al2(CO3)3. It begins by identifying the elements present: aluminum, carbon, and oxygen. The tutorial then details how to count the atoms in the compound, resulting in a total of 14 atoms. Additionally, it covers how to calculate the number of carbon atoms in one mole of aluminum carbonate using Avogadro's number. The video concludes with a brief closing statement from Dr. B.

What elements are present in the compound aluminum carbonate?

• Aluminum, Carbon, and Oxygen

• Aluminum, Hydrogen, and Oxygen

• Carbon, Nitrogen, and Oxygen

• Aluminum, Carbon, and Nitrogen

How many aluminum atoms are present in the formula Al2(CO3)3?

• Two

• Four

• One

• Three

What is the total number of oxygen atoms in the compound Al2(CO3)3?

• Three

• Twelve

• Six

• Nine

How many total atoms are there in one formula unit of Al2(CO3)3?

• 16

• 14

• 12

• 18

To find the number of carbon atoms in one mole of Al2(CO3)3, which constant is used?

• Planck's constant

• Boltzmann's constant

• Avogadro's number

• Gravitational constant

If you have one mole of Al2(CO3)3, how many carbon atoms do you have?

• Nine

• One

• Three

• Six