How many moles of aluminum do #3.8*10^24# aluminum atoms represent?

1 Answer
Jul 5, 2018

#6.3# moles

Explanation:

In a mole of aluminium atoms, there exist #6.02*10^23# aluminium atoms. So here, we get:

#(3.8*10^24color(red)cancelcolor(black)(Al \ "atoms"))/(6.02*10^23color(red)cancelcolor(black)(Al \ "atoms")"/mol")#

#~~6.3 \ "mol"#