Question

Calculate the number of moles in 12.044×10^23 number of helium atoms

Answer 1

No. of moles = No.of atoms/Avagadro number
= 12.044×10^23/6.022×10^23
= 2 moles

Answer 2

no of moles = no of atom/ Avagadro number

12.044×10^23/6.022×10^23

=2moles