Question

Tolong dijawab nomor 10 beserta caranya ya

Answer 1

Cu(NO3)2 -> Cu2+ + NO3-
Cu=2+
O=-2 .3 = -6
biloks N + biloks O = -1
biloks N -6 =-1
biloks N = +5

NO2
O=-2.2=-4
biloks N + biloks O =0
biloks N -4=0
biloks N =+4