117. Задачка по химии №011 736

4.12 For a pair of metals:
-determine whether corrosion is possible on contact with air;
-write the equations of the anodic and cathodic processes, having analyzed the examples of hydrogen and oxygen depolarization at a given pH value of the medium;
- offer anode and cathode coating for corroded metal.
Sn-Ag, pH=6.

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