Odpowiedź :
%O=100%-63,56%-6,00%-9,27%=21,17%
Cx:Hy:Oz:Nb=63,56%:6,00%:21,17%:9,27%
x:y:z:b=63,56/12:6,00/1:21,17/16:9,27/14
x:y:z:b=5,3:6:1,3:0,6 /0:6
x:y:z:b=9:10:2:1
C9H10O2N
%O=100%-63,56%-6,00%-9,27%=21,17%
Cx:Hy:Oz:Nb=63,56%:6,00%:21,17%:9,27%
x:y:z:b=63,56/12:6,00/1:21,17/16:9,27/14
x:y:z:b=5,3:6:1,3:0,6 /0:6
x:y:z:b=9:10:2:1
C9H10O2N