Does anyone know what websites are good to use for Chemical Reactions and balancing equation. I have a test tomorrow, and i need to really practice those.

Question

Thanks

Answer 1

How do i balance this equation out?

Na2S2O2 + I2 ---> NaI+ Na2S4O6

thank you soo much! =D

Answer 2

(Broken Link Removed)

http://chemistry2.csudh.edu/newlechelp/rxnbalancing.html

http://misterguch.brinkster.net/eqnbalance.html