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486. In 60 g of benzene, 2.09 g of a certain substance was dissolved, the elemental composition [in% (by mass)] of which: C = 50.69, H2 = 4.23 and O2 = 45.08. The solution crystallizes at 4.25 ° C. Set the molecular formula of the substance. Pure benzene crystallizes at 5.5 ° C
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- Content type File
- Content description 8,22 kB
- Added to the site 12.05.2017
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Solution of the problem 486 of the collection of genera
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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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Amount of purchases from the seller: $
Your discount: %
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: %