Question

The mass of 12.044 x 10^
23 atoms of an element is 112 g. What is its atomic mass​

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

Explanation:

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