Question

Calculate the number of particles in 69 g of sodium atoms. [Given mass Na=23u]

Answer 1

Answer:

If you mean no. of atoms, here it is:

Given,

69g of Na

1 mole of Na = 23 g

No. of moles = 69/23

= 3

No. of atoms = 3*6.022*10^23

= 18.066*10^23

If you mean no. of molecules, here it is:

No. of molecules = 3*6.022*10^23

= 18.066*10^23

Hope this helps.