Solution of problem 14 of the collection on general che
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14. Copper forms two oxides. At a certain amount of copper, when the first oxide was formed, twice as much oxygen was used as when the second oxide was formed. What is the ratio of the valence of copper in the first oxide to its valence in the second?
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- Content type File
- Content description 8,73 kB
- Added to the site 11.05.2017
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Solution of problem 14 of the collection on general che
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Cumulative discount
| 200 $ | the discount is 15% |
| 100 $ | the discount is 10% |
| 50 $ | the discount is 7% |
| 20 $ | the discount is 5% |
| 10 $ | the discount is 3% |
| 5 $ | the discount is 2% |
| 1 $ | the discount is 1% |
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Cumulative discount
| 200 $ | the discount is 15% |
| 100 $ | the discount is 10% |
| 50 $ | the discount is 7% |
| 20 $ | the discount is 5% |
| 10 $ | the discount is 3% |
| 5 $ | the discount is 2% |
| 1 $ | the discount is 1% |
Check your discount
Amount of purchases from the seller: $
Your discount: %