Calculate the number of He atoms in (i) 52 u, (ii) 52 g, (iii) 52 moles of He. Atomic wt. of He is 4 u.

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Q 3132845732.     Calculate the number of He atoms in (i) 52 u,
(ii) 52 g, (iii) 52 moles of He.
Atomic wt. of He is 4 u.

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