Brhrhrhfhfhrhr r tbrhrnrbd

We know that
, where
is density,
is mass, and
is volume.
Substitute in the values we know and solve:

Answer:
The answer to your question is below
Explanation:
Definition
Na (sodium) Sodium
Ne (neon) 20.180 u (atomic mass
N (nitrogen) 7 atomic number
No. of moles in 134g of Mg, n=134/24 =5.58 moles
No. of atoms = n* Avogadro number
= 5.58 X 6.022 X 10^23
=33.60 X 10^23 atoms