Question

Calculate the number of particles in 5 moles of Sodium atoms.

Answer 1

$mole = \frac{Number of Particles}{Avogadro'sConstant} \\ 5 = \frac{N}{6.02 x 10^{23} }$

N = 5 (6.02 x $10^{23}$)

   = 3.01 x $10^{24}$

There are 3.01 x $10^{24}$ particles in 5 moles of Sodium atoms