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How many molecules of NH3 are produced from 8.50x10^-4 g of H2

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Chemistry

How many molecules of NH3 are produced from 8.50x10^-4 g ofH2

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4.3 Ratings (688 Votes)

    no of moles of H2 = W/G.A.Wt

                                   = 8.5*10-4/2   = 4.25*10-4

N2 + 3H2 ----------------> 2NH3

         3 moles of H2 react with N2 to from 2 moles of NH3

        4.25*10-4 moles of H2 react with N2 to form =2*4.25*10-4/3

                                                                              = 2.83*10-4 moles of NH3

no of molecules = no of moles* 6.023*1023

                           = 2.83*10-4 * 6.023*1023

                           = 1.704*1020 molecules
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