Chemical Properties of Pentane

This video tutorial explains how to determine the number of atoms in C5H12, also known as pentane, a hydrocarbon in the alkane class. It covers the calculation of total atoms in the molecule and extends to finding the number of carbon and hydrogen atoms in one mole of pentane using Avogadro's number.

What is the chemical formula for pentane?

• C5H12

• C4H10

• C3H8

• C6H14

How many total atoms are present in a single molecule of pentane?

• 18

• 15

• 17

• 20

What is the total number of carbon atoms in one mole of pentane?

• 12 x 6.02 x 10^23

• 5 x 6.02 x 10^23

• 5

• 6.02 x 10^23

Which number is used to calculate the number of atoms in a mole?

• Euler's number

• Avogadro's number

• Planck's constant

• Boltzmann's constant

How many hydrogen atoms are there in one mole of pentane?

• 17 x 6.02 x 10^23

• 6.02 x 10^23

• 12 x 6.02 x 10^23

• 5 x 6.02 x 10^23