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2014-12-23T04:12:47+05:30

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P V = n RT

(13.6 * 1000 * 0.760 * 9.81 ) Pa * (500 * 10^-6  m³) = n * 8.31 J/mole/⁰K * 300 ⁰K

       n = 0.020336  moles of hydrogen

  molar mass = 0.0409 gms / 0.020336  moles =  2.0111  gms/mol

         =>  molar mass = 2 gms/ mole


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