a) Al(III)(N(V)O3)3(-II), Ca3(II)(P(V)O4)2(-II), H(I)N(V)O3(-II), Mg(II)S(-II) b) H(I)Cl(VII)O4(-II), Si(IV)O2(-II), H(I)Br(-I), Na(I)H(-I) c) Zn2+(II), C(IV)O3 2-(-II), H(I)S(VI)O4-(-II), Cu+(I), Mn(VII)O4- (-II) Pozdro))
III x (-II) a) Al(NO₃)₃ III+3*x+3*(-II)=0 III+3x+(-VI)=0 -III+3x=0 3x=III /:3 x=I II x (-II) Ca₃(PO₄)₂ 3*II+2*x+2*4*(-II)=0 2x+X=0 /:2 2x=(-X) x=(-V) I x (-II) HNO₃ I+x+3*(-II)=0 I+x+(-VI)=0 x+(-V)=0 x=V II x MgS II+x=0 x=(-II) b) I x (-II) HClO₄ I+x+4*(-II)=0 x+(VII)=0 x=VII I x HBr I+x=0 x+(-I) x I NaH x+I=0 x=(-I) x (-II) SiO₂ x+2*(-II)=0 x+(-IV)=0 x=IV nad c) musze pomysleć :P hmm x Zn²⁺ x=II x (-II) CO₂-3 x+2*(-II)=(-III) x+(-IV)=(-III) x=III I x (-II) HSO-4 I+x+(-II)=(-IV) II+x+(-II)=(-IV) x=(-IV) x (-II) MnO-4 x+(-II)=(-IV) x=(-IV)+II x=-II x Cu⁺ x=I jak cos niejasno napisane to pisz wyjaśnie:)
