Barium Sulfate Chemical Concepts

The video tutorial explains how to determine the number of atoms in barium sulfate (BaSO4). It begins by identifying the individual atoms in the compound: barium, sulfur, and oxygen. The video then explains how to calculate the total number of atoms in the compound and how to use Avogadro's number to find the number of atoms in one mole of BaSO4. Finally, it discusses the sulfate ion (SO4 2-) present in the compound.

What are the elements present in Barium Sulfate?

• Barium, Nitrogen, Oxygen

• Sulfur, Oxygen, Hydrogen

• Barium, Carbon, Oxygen

• Barium, Sulfur, Oxygen

How many total atoms are there in a molecule of Barium Sulfate?

• Eight

• Four

• Six

• Ten

What is the number of barium atoms in one mole of Barium Sulfate?

• 6.02 x 10^23

• 3.01 x 10^23

• None

• 1.20 x 10^24

How many sulfur atoms are present in one mole of Barium Sulfate?

• 6.02 x 10^23

• 1.20 x 10^24

• 3.01 x 10^23

• None

How many oxygen atoms are there in one mole of Barium Sulfate?

• None

• 1.20 x 10^24

• 6.02 x 10^23

• 2.41 x 10^24

What is the chemical formula for the sulfate ion?

• SO4 2-

• SO3 2-

• SO4 3-

• SO3 3-

How many sulfate ions are present in Barium Sulfate?

• Two

• One

• Three

• Four

Which of the following is true about Barium Sulfate?

• It contains no sulfate ions.

• It contains three sulfate ions.

• It contains two sulfate ions.

• It contains one sulfate ion.