Question

08) Calculate the number of atoms in 9g Of
AL​

Answer 1

So 9.0 gram of Al will contain=9/26.998= 0.333 moles of Al. No. Of atoms of Al in 9 gram = 0.333× Avogadro no. =0.333×6.022×10^23=2.005×10^23

hope it helps.