Final answer:
To determine the number of atoms in 3.20 moles of carbon, multiply the number of moles by Avogadro's number, which is 6.022 × 10²³ atoms/mole, resulting in 1.92704 × 10²´ atoms.
Step-by-step explanation:
The question asks how many atoms are in 3.20 moles of carbon. To find this, we refer to Avogadro's number, which states that one mole of any substance contains exactly 6.022 × 10²³ atoms. Hence, to calculate the total number of carbon atoms in 3.20 moles, we multiply 3.20 by Avogadro's number.
The calculation would be:
3.20 moles × 6.022 × 10²³ atoms/mole = 1.92704 × 10²´ atoms
Therefore, 3.20 moles of carbon contains 1.92704 × 10²´ carbon atoms.