Kimia Sekolah Menengah Atas tentukan biloks

tolong bantu jawab kak
mksih​

tentukan biloks tolong bantu jawab kak mksih​ Penjelasan: semogaa membantuu dan bermanfaat NaCl Biloks Cl = -1 Biloks Na : Na + (-1) = 0 Na - 1 = 0 Na = +1 NO3- Biloks O = -2 Biloks N : N + 3O = -1 N + 3(-2) = -1 N - 6 = -1 N = -1 + 6 N = +5 SO3 Biloks O = -2 Biloks S : S + 3O = 0 S + 3(-2) = 0 S - 6 = 0 S = +6 KMnO4 Biloks K = +1 Biloks O = -2 Biloks Mn : K + Mn + 4O = 0 1 + Mn + 4(-2) = 0 1 + Mn - 8 = 0 Mn = 8 - 1 Mn = +7 FeO2 Biloks O = -2 Biloks Fe : Fe + 2O = 0 Fe + 2(-2) = 0 Fe - 4 = 0 Fe = +4