Recent content by lindi

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    How Many Hydrogen Molecules Are in 1cm³ of a Balloon?

    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