Answer:
4.155 × 10²⁴ Atoms
Explanation:
Formula used,
Number of Atoms = Moles × 6.022 × 10²³ Atoms.mole⁻¹
Putting value of moles,
Number of Atoms = 6.90 mole × 6.022 × 10²³ Atoms.mole⁻¹
Number of Atoms = 4.155 × 10²⁴ Atoms
