14. Copper forms two oxides. A certain amount of copper during the formation of the first oxide consumed twice as much oxygen as during the formation of the second. What is the ratio of the valence of copper in the first oxide to its valence in the second?

Read the product description. After payment, the system will redirect you to a page with a ready-made solution to problem 0014 from the collection: Glinka N.L. Problems and exercises in general chemistry. Textbook for universities / Ed. V.A. Rabinovich and Kh.M. Rubina. – 23rd ed., revised. – L.: Chemistry, 1985. – 264 p., ill. The solution is a document formatted in MS Word.
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