Answer :
We know that
[tex]1~mol[/tex] have [tex]6.02\times10^{23}~molecules[/tex]
therefore
[tex]0.589~mol[/tex] have [tex]0.589*6.02\times10^{23}~molecules\approx3.55\times10^{23}~molecules[/tex]
[tex]1~mol[/tex] have [tex]6.02\times10^{23}~molecules[/tex]
therefore
[tex]0.589~mol[/tex] have [tex]0.589*6.02\times10^{23}~molecules\approx3.55\times10^{23}~molecules[/tex]