Solving a problem in chemistry section 11 point 85
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85. The sample of magnesium in the air and burned ash was dissolved in 60 ml of 1 M hydrochloric acid. On neutralization of the spent solution 12 ml of 1 M sodium hydroxide solution. After adding excess alkali solution to boil, and while the separated gas is passed into the flask with 12 mL of 1 M hydrochloric acid. On neutralization of the solution in the flask spent 6 ml of 1 M sodium hydroxide solution. Determine the weight of the sample of magnesium and ash composition.
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- Content type File
- Content description 70,5 kB
- Updated on the site 04.06.2014
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 11 point 85
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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: %
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: %