How do you balance this equation?

2016-05-30 7:53 pm
It goes like this:
S2O3^-2 +I3^-1 --- S4O6^-2 +I^-1
The reaction goes towards S4O6^-2 +I^-1
Thanks

回答 (2)

2016-05-30 9:33 pm
✔ 最佳答案
Write it up as two half equations, and then add.

2S2O3^2- => S4O6^2- + 2e^-
I3^- + 2e^- = 3I^-
______________________
2S2O3^2- + I3^- = S4O6^2- + 3I^-
2016-05-30 7:58 pm
2 S₂O₃²⁻ + I₃⁻ → S₄O₆²⁻ + 3 I⁻


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