Question

if one mole sample of iron if 12.04*10^22 atom are removed then remaining no of atom​

Answer 1

Answer:

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

Answer 2

Answer:

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