Question

Avogadro's number represents the number, of
atoms in
(1) 12 g of C12
(2) 320g of sulphur
(3) 32g of oxygen
(4) 12.7 g of iodine

And why?

Answer 1

12g of C12 ...........

Answer 2

12 g of c12 because
In Mole should be same quantities of any atom as the there are the atomic number of that atom