Question

which one will be the ans and why​

Answer 1

Answer:

First give the pic of the full question please.

Answer 2

Answer:

Number of atoms=No.of moles*NA

Number of Moles=Given Mass/Molar Mass

No. of moles=52/4=13 moles

Now No. of Atoms=13*NA

=13*6.022*10²³