3. The Ko value of the oxalate ion (C2042) is 1.9 * 10-10 Is a solution of K C204 acidic, basic or neutral? Explain your answer​

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1. o2(g)as a product

Remember that rust prevented by placing a sacrificial electrode in electrical contact with the iron. the sacrificial electrode must be composed of a metal that  oxidizes  more easily than iron (that is, it must be below iron in table 18.1).