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Unformatted text preview: reaction to grow brighter and longer, which would be dangerous to the eyes. 7. Stirring the contents after the initial reaction will get the rest of the magnesium that hasnt reacted to react. Mr. Myers does this part so that we wouldnt spill the magnesium. 8. Hydrogen comes from the air and nitrogen comes from the water. 9. The empirical formula of H2O2 is HO. 10. First, you need to find the mole of the sulfur; 1.28/32 = 0.04 moles of oxygen. Then find the grams of oxygen in compound to then use it to convert to moles of oxygen; 3.2 1.28 =1.92 grams of oxygen in compound. 1.92/15.9 = 0.12 moles of oxygen . Therefore, the empirical formula of the compound is SO3....
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This note was uploaded on 04/06/2011 for the course CHEM 6A taught by Professor Pomeroy during the Fall '08 term at UCSD.
- Fall '08