Question

Calculate the number of particles in each of the following (3)

a) 92 g of sodium atoms b) 16g of oxygen C) 0.2 mole of carbon atoms​

Answer 1

Answer:

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.