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Number of atoms of He in 100 amu of He i...

Number of atoms of He in 100 amu of He is :(Atomic mass of He is 4) :-

A

25

B

100

C

50

D

`100xx6xx10^(-23)`

Text Solution

Verified by Experts

The correct Answer is:
A
Mass of one He-atom = 4 u, 4u = 1 He-atom
`therefore 100" u" =100/2 =25` He- atom
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