Understanding Nitric Acid Composition

The video tutorial explains how to determine the number of atoms in nitric acid (HNO3). It begins by identifying the elements present: hydrogen, nitrogen, and oxygen. The tutorial then demonstrates how to count the atoms of each element, assuming a subscript of one when none is present. The total number of atoms in HNO3 is calculated by adding the individual atoms. Additionally, the video covers how to find the number of oxygen atoms in one mole of nitric acid using Avogadro's number. The tutorial concludes with a brief closing statement.

What elements make up the compound HNO3?

• Helium, Neon, and Oxygen

• Helium, Nitrogen, and Oxygen

• Hydrogen, Nitrogen, and Oxygen

• Hydrogen, Neon, and Oxygen

How many hydrogen atoms are present in a molecule of HNO3?

• Three

• One

• Two

• Four

What is the total number of atoms in a single molecule of nitric acid (HNO3)?

• Seven

• Six

• Five

• Four

How many oxygen atoms are there in one molecule of HNO3?

• Three

• Four

• One

• Two

To find the number of oxygen atoms in one mole of HNO3, you multiply the number of oxygen atoms by which constant?

• Gravitational constant

• Avogadro's number

• Boltzmann's constant

• Planck's constant

If you have one mole of HNO3, how many oxygen atoms do you have?

• Four times Avogadro's number

• Two times Avogadro's number

• One times Avogadro's number

• Three times Avogadro's number