Question

calculate the number of atoms in 0.034gm NH3

Answer 1

Explanation:

17gm of NH3 contains 4 × 6.023 x 10^23 atoms

0.034 gm of NH3 contains (4 x 6.023 x 10^ 23 × 0.034)/17 = 0.008 x 6.023 x 10^23 = 0.0482 x 10^23 atoms