Question

How many atoms of heliun are present in 52 amu of helium?

Answer 1

52 moles of He contains 52 x 6.023 x10^23.


Atomic mass of Helium is 4u = 2protons + 2 Neutrons = 1 atom.


No. of atoms in 52u = 52/4 = 13 atoms

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Answer 2

Hey guys :-


here is your answer :-


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52 mole of He contain = 52 *6.023* 10^23

Atomic mass of hellium is = 4 u

no of atom in 52 u = 52/4

= 13 atom


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