Question

What is the Number of Atoms in 52 a.m.u of He​

Answer 1

Answer:

13 atoms

Explanation:

[atomic mass of He= 4u]

one atom of He = 4u                [using unitary (or) cross multiplication method]

x number of atoms = 52u

52/4= 13

hence 13 atoms are present in 52u of He.

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