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Stoichiometry Time!

Stoichiometry Time!. Let’s get started! P2 Mrs. Basile’s class. The Problem. 21. What mass of is produced when 82.4g of Rb and 11.6g of. The Solution. Which one is balanced?. 4Rb+O2 2Rb2O. 4Rb O2+2Rb2O. *Ding* Correct! . This equation is balanced!. On to the next question….

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Stoichiometry Time!

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  1. Stoichiometry Time! Let’s get started! P2 Mrs. Basile’s class

  2. The Problem • 21. What mass of is produced when 82.4g of Rb and 11.6g of

  3. The Solution • Which one is balanced? 4Rb+O2 2Rb2O 4Rb O2+2Rb2O

  4. *Ding* Correct!  • This equation is balanced! On to the next question…

  5. The Solution Part 2 • What is the correct answer for 82.4g Rb? 9.0gRb2O 21g Rb2O 90.11g

  6. The Solution Part III • Which is the correct answer of 11.6g of O2? 123.4g Rb2O 135.53g Rb2O 4g O2

  7. *Ding* Correct!  • 11.6gO2 x x x = 135.53gRb2O = = On to the last part…

  8. The Last Part • So which element is the limiting reactant, everybody? Rb O2

  9. *Ding* Correct  • Yay! You correctly noticed that 90.11g of Rb2O was smaller than 135.53g of Rb2O. Therefore, Rb is the limiting reactant! Hooray !!!!

  10. *Beep* FAIL! >:( • Really? We’ve gone this far and you can’t see that 135.53g of Rb2O is larger? Go back, please

  11. *Beep* NO! >:( • This is the wrong answer. Think back to what I told you before. Is it balanced? No!Back!

  12. *Beep* INCORRECT! >:( • This is the wrong answer! Go back to your notes on the balanced slide, and redo the problem. Go back!

  13. *Ding* Correct  • 82.4g Rb x = = = 90.11gRb2O Good Job! On to next question…

  14. *Beep* WRONG! >:( • The equation is not balanced Go back, fool!

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