Question

Calculate the number of atoms in each of the following:-
(1) 52 moles of Ar.
(2) 52 g of He
(3) 52u of He​

Answer 1

Answer:

1) 52 mole of Ar

1mole of 'Ar' contains 6.022 × 10 power 23 atoms

52 moles of 'Ar' = 6.022 × 10 power 23 × 52

= 3.31 × 10 power 25 atoms