Respuesta :

kenmyna
The  moles  of  nitrogen n  in  83.0 g  of N2O  is calculated  as  below

find the  moles  of N2O
moles =  mass/molar  mass

= 83 g/44g/mol=  1.886  moles
the  moles of Nitrogen  in N2O  is therefore 

=1.886  moles  x2(since there are two   atom of N  in N2O) =3.772  moles

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