For each of the following reactions Solutiona Co2aq HNO2aq

. For each of the following reactions:

a) Co2+(aq) + HNO2(aq) => NO(g) + Co3+(aq)

Ox: Co

Re: N

OA: HNO2

RA: Co2+

b) Cu(s) + H2SO4(l) => SO2(g) + CuO(s)

Ox: Cu

Re: S

OA: H2SO4

RA: Cu