Answer: [tex]5.4198 \times 10^{24}[/tex] particles
Explanation:
We know there are about [tex]6.022 \times 10^{23}[/tex] particles in 1 mole, so in 9 moles, there is [tex]6.022 \times 10^{23} \times 9=5.4198 \times 10^{24}[/tex] particles.
