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# Simplest004

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### Simplest004

1. 1. Simplest Formula <br />Prepared by: Stephen Boylan<br />October 20, 2009 <br />
2. 2. Simplest Formula .<br />.<br />.<br />
3. 3. Simplest Formula - Simple001<br />A. Combustion in Excess oxygen <br />12.795 g. HC ----&gt; 32.689 g. CO2 + 13.377 g. H2O<br />B. 5 Step Calculation <br />C. The Simplest Formula<br />. Cx Hy Oz<br />
4. 4. Molar Mass CO2 <br />Element Number Atomic Mass Formula<br /> n Units, amu Mass, <br /> C 1 12.01 12.01<br /> O 2 16.00 32.00<br /> 44.01grams per mole CO2<br />
5. 5. <ul><li>Molar Mass H2O
6. 6.
7. 7. Element Number Atomic Mass Formula
8. 8. n Units, amu Mass, n(amu)
9. 9. H 2 1.008 2.016
10. 10.
11. 11. O 1 16.00 16.00
12. 12. 18.02 grams per
13. 13. mole H2O
14. 14.  </li></li></ul><li><ul><li>
15. 15. 2.0 Calculate the grams of carbon, hydrogen and oxygen.
16. 16.
17. 17. 12.795g. HC --> 32.689 g CO2 + 13.377 g. H2O
18. 18. C:
19. 19. 32.689 grams CO2 12.01 grams C = 8.921 g. C
20. 20. 44.01 grams CO2
21. 21. H:
22. 22. 13.377 grams H2O 2x1.008 grams H = 1.497 g H
23. 23. 18.02 grams H2O
24. 24. O:
25. 25. 12.795 g HC - 8.921g C - 1.497 g H= 2.377 g O
26. 26.  </li></li></ul><li><ul><li>Moles of carbon, hydrogen and oxygen.
27. 27.
28. 28. C: 8.921 g. C 1 mole C = 0.7429 moles C
29. 29. 12.01 grams C
30. 30.
31. 31. H: 1.497 g. H 1 mole H = 1.485 mole H
32. 32. 1.008 grams H
33. 33.
34. 34.
35. 35. O: 2.377 g. O 1 mole O = 0.1485 mole O
36. 36. 16.00 grams O </li></li></ul><li><ul><li> Ratios Divide by smallest
37. 37.
38. 38. C: 0.7429 moles C 1 = 5.003 ~ 5 moles C
39. 39. 0.1485
40. 40. H: 1.485 mole H 1 = 10 moles H
41. 41. 0.1485
42. 42. O: 0.1485 mole O 1 = 1 moles O
43. 43. 0.1485
44. 44.  </li></li></ul><li>C5 H10 O1<br />
45. 45.
46. 46.  <br /> The End <br />