[tex]N_{x}[/tex][tex]O_{y}[/tex]
xN : yO = 7 : 20
MN = 14 g MO = 16 g
[tex]\frac{x14g N}{y16gO}[/tex] = [tex]\frac{7}{20}[/tex]
[tex]\frac{x14}{y16}[/tex] = [tex]\frac{7}{20}[/tex]
14x(20) = 16y(7)
280x = 112y|: 112
2,5x = y|× 2
5x = 2y
[tex]N_{x}[/tex][tex]O_{y}[/tex] = N₂O₅