Understanding Sulfur Dioxide and Moles

The video tutorial explains how to determine the number of atoms in sulfur dioxide (SO2). It begins by identifying the atomic composition of SO2, which consists of one sulfur atom and two oxygen atoms, totaling three atoms per molecule. The tutorial then demonstrates how to calculate the number of atoms in one mole of SO2 using Avogadro's number, resulting in 6.02 x 10^23 sulfur atoms and twice that number for oxygen atoms. The video concludes with a brief summary of the calculations.

What is the chemical formula for sulfur dioxide?

• S2O

• SO3

• O2S

• SO2

How many sulfur atoms are present in one molecule of SO2?

• Two

• Zero

• One

• Three

What is the total number of atoms in a single molecule of SO2?

• Four

• Three

• Five

• Two

How many oxygen atoms are there in one molecule of SO2?

• One

• Four

• Two

• Three

What is Avogadro's number used for?

• To find the mass of an atom

• To determine the number of atoms in a mole

• To calculate the number of molecules in a compound

• To measure the volume of a gas

If you have one mole of SO2, how many sulfur atoms do you have?

• 1.20 x 10^24

• 3.01 x 10^23

• 6.02 x 10^23

• None