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What volume does have the Planck mass of hydrogen gas at normal conditions?

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Why can't you just calculate it? –  Javier Badia Jun 14 at 13:25

1 Answer 1

Planck mass is approximately 21.7651 µg

Mass of hydrogen molecule is 2 amu

1 mole of hydrogen at STP has a mass of 2g, and a volume of ...

Divide. Enjoy.

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My calculation shows, 0.24 liters –  Anixx Jun 14 at 15:46
    
Micro is $10^{-6}$ –  Floris Jun 14 at 17:18
    
Then 0.24 milliliters, which is 0.24 of a cubic centimeter. –  Anixx Jun 14 at 17:20
    
Pretty close: Wolfram alpha makes it 0.26 ml –  Floris Jun 14 at 18:18

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