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128. When treated with a solution of sodium hydroxide 3.90 g of a mixture of aluminum with its oxide, 840 ml of gas was measured, measured under normal conditions. Determine the percentage composition (by weight) of the initial mixture.
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- Content type File
- Content description 14,28 kB
- Added to the site 11.05.2017
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Solution of the problem 128 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: %