Solving a problem in chemistry section 10 point 31
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31. The sample is a mixture of potassium chlorate and potassium dichromate weight 19.50 g calcined and got 0.672 liters (eg. In.) Of gas. Another sample of the starting mixture was treated with the same weight of concentrated hydrochloric acid and 6.72 L received (eg. In.) Of gas. Determine the weight fraction of impurities in the starting mixture.
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- Content type File
- Content description 75 kB
- Updated on the site 26.05.2014
Additional description
Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)
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Solving a problem in chemistry section 10 point 31
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Cumulative discount
| 30 $ | the discount is 10% |
| 20 $ | the discount is 7% |
| 18 $ | the discount is 6% |
| 15 $ | the discount is 5% |
| 12 $ | the discount is 4% |
| 9 $ | the discount is 3% |
| 6 $ | the discount is 2% |
| 3 $ | the discount is 1% |
Check your discount
Amount of purchases from the seller: $
Your discount: %