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

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    $\begingroup$ Why can't you just calculate it? $\endgroup$
    – Javier
    Jun 14, 2014 at 13:25

1 Answer 1

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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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  • $\begingroup$ My calculation shows, 0.24 liters $\endgroup$
    – Anixx
    Jun 14, 2014 at 15:46
  • $\begingroup$ Micro is $10^{-6}$ $\endgroup$
    – Floris
    Jun 14, 2014 at 17:18
  • $\begingroup$ Then 0.24 milliliters, which is 0.24 of a cubic centimeter. $\endgroup$
    – Anixx
    Jun 14, 2014 at 17:20
  • $\begingroup$ Pretty close: Wolfram alpha makes it 0.26 ml $\endgroup$
    – Floris
    Jun 14, 2014 at 18:18

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