Wednesday
July 23, 2014

Homework Help: chemistry

Posted by Aria on Saturday, February 25, 2012 at 6:59pm.

Balance each of the following redox equations using the half-reaction method.

HI(s) + H2SO4 (aq) --> H2S(g) + I2 (s)

My only question about this equation is...how do I know how many electrons I need to put on both sides? Other than that I know how to do it.

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