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Find the number of molecules

  • Thread starter lindi
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Homework Statement


In the balloon with volume 4 liters, is 1 gram of hydrogen. How molecules of this gas as found in 1cm3, if the molar mass of hydrogen is 2g/mol?

Homework Equations


pV=nRT

The Attempt at a Solution


in my book the solution final is 7.5*10^19 molecules/cm^3
 

Answers and Replies

  • #2
SteamKing
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Homework Statement


In the balloon with volume 4 liters, is 1 gram of hydrogen. How molecules of this gas as found in 1cm3, if the molar mass of hydrogen is 2g/mol?

Homework Equations


pV=nRT

The Attempt at a Solution


in my book the solution final is 7.5*10^19 molecules/cm^3
What's the definition of a mole?
 

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