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Calculate the number of atoms in 48 g of He? |
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Answer» Gram atomic mass of He = 4 g. Thus, number of atom sin 4g (1 mol) He = 6.02 × 1023 So number of atoms in 48 g of He = \(\frac{48}{4}\) x 6.02 × 1023 =12 × 6.02 × 1023 = 7.224 × 1024 |
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