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Jadoskills

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Jun 19th, 2012
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  1. 1. 2Fe2O3 + 3C = 4Fe + 3CO2
  2.  
  3.  
  4. 2NaCl = 2Na + Cl2
  5.  
  6. 4Al + 3O2 = 2Al2O3
  7.  
  8. 26,98
  9.  
  10. 5/26,98 = 0.19 mol
  11.  
  12. 4 = 3
  13.  
  14. 0.14 mol o2
  15. O2 = 32 g/m
  16. 32 * 0.14 = 4.48 gram
  17.  
  18. ~~
  19.  
  20. 0.09 mol al2o3
  21. 53.96 101.96 g/m = 9.5 gram
  22.  
  23. ~~
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