Question

find the number of atoms in 50 moles and 50 g of He

Answer 1

Answer:

(i) The number of atoms present in 52 mol of Ar are 52×6.023×10

23

=3.13×10

25

atoms.

(ii) 52 u of He will contain

4

52

=13 atoms.

(iii) 52 g of He will contain

4

52

×6.023×10

23

=7.82×10

24

atoms.