Balance the redox reaction below using the half-reaction method.

Question

Bi3+(aq) + Co(s)Bi(s) + Co2+(aq)

Answer 1

I can do this and you want learn anything. What is it you don't understand about how to do it.
Bi goes from 3+ on the left to zero on the right. You should find the arrow key and use it.
Co goes from zero on the left to 2| on the right.