Understanding the Concepts

* Avogadro's Number: One mole of any substance contains 6.022 x 10^23 particles (atoms, molecules, etc.). This is known as Avogadro's number.

Calculation

1. Set up the conversion:

(3.75 x 10^24 molecules CO2) x (1 mole CO2 / 6.022 x 10^23 molecules CO2)

2. Cancel out the units: The "molecules CO2" units cancel out, leaving you with moles of CO2.

3. Calculate:

(3.75 x 10^24) / (6.022 x 10^23) = 6.23 moles CO2

Answer: There are approximately 6.23 moles of CO2 in 3.75 x 10^24 molecules.