Respuesta :

kenmyna
The  moles  of  nitrogen  that  are  in 90.0  g  of  nitrous  oxide N2O  is calculated  as follows

find  the  moles of N2O=  mass/molar  mass
=  90,0g/44g/mol=  2.05  moles

since  there  is two  atoms  of  Nitrogen  the  moles  of nitrogen  = 2 x 2.05 =4.10  moles