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Stoichiometry Project

Stoichiometry Project. Pd5 3/18/10. Problem. If 4.1 grams of Cr is heated with 9.3 grams of Cl 2 , what mass of CrCl 3 will be produced?. next. First Step. Write out the formula. Cr + Cr 2  CrCl 3. 2Cr + 3Cr 2  2CrCl 3. 3Cr + 3Cr 2  CrCl 3. wrong. back. right. next step.

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Stoichiometry Project

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  1. Stoichiometry Project Pd5 3/18/10

  2. Problem • If 4.1 grams of Cr is heated with 9.3 grams of Cl2, what mass of CrCl3 will be produced? next

  3. First Step • Write out the formula Cr + Cr2 CrCl3 2Cr + 3Cr2 2CrCl3 3Cr + 3Cr2 CrCl3

  4. wrong back

  5. right next step

  6. Second Step • Starting out with 4.1g Cr, set up your first conversion factor.

  7. wrong back

  8. right next step

  9. Third Step • How many grams of CrCl3 are made with 4.1 grams of Cr? 12.49gCrCl3 13gCrCl3 13.85gCrCl3

  10. wrong back

  11. right next step

  12. Fourth Step • Given 9.3 grams of Cl2, set up the first part of the equation.

  13. wrong back

  14. right next step

  15. Fifth Step • What comes after ?

  16. wrong back

  17. right next step

  18. Sixth Step • What is the last part of the equation?

  19. wrong back

  20. right next step

  21. Seventh Step • With your equation:What is the final answer? 12.49gCrCl3 11.24gCrCl3 13.85gCrCl3

  22. wrong back

  23. right next step

  24. Last Step • What mass of CrCl3 is produced from Cr and Cl2? 10.29gCrCl3 13.85gCrCl3 12.49gCrCl3

  25. wrong back

  26. right If 4.1g of Cr is heated with 9.3g of Cl2, what mass of CrCl3 will be produced?12.49 grams of CrCl3

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