I have this reaction:
2h202 ---> 2H20(l) + O2(g)
Is h2O2 an oxidant or reductant and why? As far as I can see, I can't tell, 'cause it could be both...
Also have have this:
S2O4(²-) (aq) ---> SO3 (²-) (aq)
[Within the brackets are the charges on the ions, 2-]
It says to balance this half...