a) F.m C14H13N3SO3
b) MC14H13N3SO3=14*12+13+42+32+48=303g/mol
%C=mC/M*100=168/303*100=55,4455
%H=mH/M*100= calculeaza.. %N=mN/M*100 , %S=mS/M*100, %O=mO/M*100
c) 5 legaturi. pi si 33 leg. sigma. nu sunt sigur..
d) starile de hibridizare sunt sp - CH=CH, CH2-CH3 (sp3)
e) 1 atom C cuaternar, 6 atomi C tertiari, 4 atomi C secundari si 3 atomi C primari
f) C14H13N3SO3 CaHbOcNdXe
NE=[(2a+2)-(b-d+e)]/2=[(2*14+2)-(13-3)]/2=30-10/2=20/2=10 ?