Question

1. Weight of one atom of silver. At Wt. of Ag = 108.
2. How many gram atoms are there in one atom?
3. Calculate the no. of atoms and volume of 1gm He gas at NTP.
4. What is the mass of one molecule of of O2?

Answer 1

1.  108 amu
2.   1
3.   1.5*10pow-23atoms as you get 0.25 mol in 1g.therfore 1.5*10pow-23atoms.
       5.6litres is the volume you get by dividing 22.4 by 4.
4.    16+16=32amu

Answer 2

108 amu gram atom are there in one atom ................