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Calculate the number of atoms and volume...

Calculate the number of atoms and volume of `1g` helium gas at `STP`

Text Solution

Verified by Experts

`:' 4 g` helium has `6.023 xx 10^(23)` atoms
`:. 1 g` helium has `(6.023 xx 10^(23))/(4)` atoms
`= 1.506 xx 10^(23)` atoms
Also,
`:' 4 g` helium has volume at `STP = 22.4 L`
`:. 1 g` helium has volume at `STP = (22.4)/(4) = 5.6 L`
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