Question

Calculate the number of atoms in 48 moles of He

Answer 1

Explanation:

1. Gram atomic mass of He = 4 g.
2. Thus, number of atom sin 4g (1 mol) He = 6.02 × 1023
3. So number of atoms in 48 g of He = 484 x 6.02 × 1023
4. =12 × 6.02 × 1023
5. = 7.224 × 1024

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