A mixture of hydrogen and oxygen contains 20% by mass of hydrogen find out total number of molecules present per gram of the mixtu

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A mixture of hydrogen and oxygen contains 20% by mass of hydrogen find out total number of molecules present per gram of the mixture.​

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Alaia 5 months 2021-06-30T07:38:14+00:00 1 Answers 0 views 0

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    2021-06-30T07:39:53+00:00

    Answer:

    Molar mass of h2 molecule is 2 (atomic mass 1*2 atoms= 2) and that of O2 is 32Thus by gram molecular mass theory, 2g H2 will have 1 mole h2 molecules and therefore 0.2g should have 0.1mole = 6.02*10^22Similarly on solving for o2, we get 1.505*10^21 molecules.

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