Answer:
2.52[tex]x10^{23}[/tex] atoms*
Explanation:
[tex]\frac{0.419mol}{1} *\frac{6.02*10^{23}atoms }{1 mol} =2.52238x10^{23}[/tex]atoms
*i put the answer in correct sig figs(significant figures) in case your teacher is like mine and wants answers like that