Understanding Sulfur Trioxide and Avogadro's Number

The video tutorial explains how to determine the number of atoms in sulfur trioxide (SO3). It begins by identifying the elements in SO3, sulfur and oxygen, and calculates the total number of atoms in the compound. The tutorial then explains how to find the number of atoms in one mole of SO3 using Avogadro's number, providing a step-by-step guide to these calculations.

What elements make up sulfur trioxide (SO3)?

• Sulfur and Hydrogen

• Sulfur and Oxygen

• Sulfur and Nitrogen

• Sulfur and Carbon

How many oxygen atoms are present in a single molecule of SO3?

• 1

• 2

• 3

• 4

What is the total number of atoms in a molecule of SO3?

• 4

• 5

• 2

• 3

How do you calculate the number of sulfur atoms in one mole of SO3?

• Multiply by 4

• Multiply by 2

• Multiply by Avogadro's number

• Multiply by 3

What is Avogadro's number?

• 6.02 x 10^22

• 6.02 x 10^23

• 6.02 x 10^24

• 6.02 x 10^25

How many oxygen atoms are there in one mole of SO3?

• 3 x Avogadro's number

• 1 x Avogadro's number

• 4 x Avogadro's number

• 2 x Avogadro's number