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in Chemistry by (37.8k points)
A man weighs `72.15kg` and want to fly in the sky with the aid of balloons itself weighing `20 kg` and each containing 50 moles of `H_(2)` gas at 0.05 atm and `27^(@)C 1.25g//litre` how many such types of ballons he is needed to fly in the sky ? .

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Correct Answer - 3

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