posted by Keisha .
Guys i really need help in these three problems. If someone could explain how to do this i would appreciate it!
complete and balance the following equations
1. SO3^2- + Cu^2+ --> SO4^2- + Cu^+
2. Cr +Cu^2+ ---> CrO4^2- + Cu^+
3. MnO2 + Ag^+ ---> MnO4^- + Ag
See your post above.