A method for determing the quanity of dissolved oxygen in natural waters require

Question

A method for determing the quanity of dissolved oxygen in natural waters requires a series of redox reactions. Balance the following chemical equations in that series under the conditions indicated. We need to include phases in the balance equation. A. In basic solution Mn2+(aq)+O2(g)------------>MnO2(s) B. In acidic solution MnO2(s)+I-(aq)------------->Mn2+(aq)+I2(s) C. In neutral solution I2(s)+S2O3^2-(aq)---------->I-(aq)+S4O6^2-(aq) *The 2- is on the exponent power.

Explanation / Answer

C. In neutral solution I2(s)+S2O3^2-(aq)---------->I-(aq)+S4O6^2-(aq) *The 2- is on the exponent power.

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