Question

calculate the number of moles for the following 12.044 x 10²³
number of He atoms
(finding mole from number of particles.​

Answer 1

Answer:

Verified by Toppr

For Helium,

Number of atoms=Number of moles ×6.022×10

23

No of Moles =

6.022×10

23

12.044×10

23

= 2.

Now, atomic mass of He=4

Weight = 2×4 = 8 g