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One hydrogen molecule has a mass of 2.016 amu. How many hydrogen molecules would there be in a pound of hydrogen?

 Feb 22, 2019
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1 pound = 453.592.37 gm

 

453 .59237 / 2.016  = 224.996 =~~225 moles     ( =  225 x 6.022 x 10^23  molecules  = 1.355 x 10^26 molecules)

 Feb 22, 2019
edited by ElectricPavlov  Feb 22, 2019

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