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Moles and Stoichiometry Jeopardy

Click to begin. Moles and Stoichiometry Jeopardy. Choose a category. You will be given the answer. You must give the correct question. Choose a point value. Click here for Final Jeopardy. Grams ⟷ Moles. Atoms ⟷ Moles. Percent Composition. 20 Points. 20 Points. 30 Points.

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Moles and Stoichiometry Jeopardy

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  1. Click to begin. Moles and Stoichiometry Jeopardy Choose a category. You will be given the answer. You must give the correct question.

  2. Choose a point value. Click here for Final Jeopardy

  3. Grams ⟷ Moles Atoms ⟷ Moles Percent Composition 20 Points 20 Points 30 Points 40 Points 50 Points 20 Points 20 Points 20 Points 40 Points 30 Points 30 Points 50 Points 50 Points 50 Points 40 Points 50 Points 40 Points 30 Points 30 Points 40 Points 10 Point 10 Point 10 Point 10 Point 10 Point Stoichiometry Empirical/ Molecular Formula

  4. How many moles are in 2.50g of Carbon?

  5. 0.21 mol C

  6. How many grams of Au are in 3.38 moles of Au?

  7. 666g Au

  8. How many moles of CH4 are in 0.76 grams of the compound?

  9. 0.047 mol CH4

  10. How many grams of HClO4 are in 5.05 moles of the compound?

  11. 507g HClO4

  12. How many grams are in 0.4102 moles of AgNO3?

  13. 69.69 mol AgNO3

  14. How many atoms are in 4.8 mol HCl?

  15. 2.9x1024 atoms HCl

  16. How many moles of C4H4 are in 152 atoms?

  17. 2.52x10-22 mol C4H4

  18. How many atoms are in 4.63 moles of HBr?

  19. 2.79x1024 atoms HBr

  20. How many atoms are in 4.734 moles of NaCl?

  21. 2.850x1024 atoms HCl

  22. How many moles are in 73,839 atoms of PI3?

  23. 1.2266x10-19 mol PI3

  24. 2H2 + O22H2O How many grams of O2 are needed to fully react 4.5g of H2?

  25. 36g O2

  26. 2Al + 3Cl22AlCl3 When 80g Al react with Chlorine gas, how many grams of AlCl3areproduced?

  27. 400g AlCl3

  28. 2Al + 3CuSO4Al2(SO4)3 + 3Cu How many grams of Aluminum Sulfate are produced if 74.44g of CuSO4 are reacted with an excess of Al?

  29. 53.23g Al2(SO4)3

  30. 2NaClO32NaCl + 3O2 How many grams of O2 are produced if 12 moles of NaClO3 are decomposed?

  31. 580g O2

  32. 3Cu + 8HNO3 3Cu(NO3)2 + 2NO + 4H2O How many grams of HNO3 are needed to dissolve 11.45g Cu?

  33. 30.31g HNO3

  34. What is the empirical formula of a compound containing... 60.0% Sulfur 40.0% Oxygen

  35. SO3

  36. What is the empirical formula of a compound containing... 38.8% Carbon 16.2% Hydrogen 45.1% Nitrogen

  37. CH5N

  38. An unknown compound is found to contain 40.0% Carbon, 6.7% Hydrogen, and 53.3% Oxygen. With a molecular mass of 60.0g/mol, what is the molecular formula of the unknown compound?

  39. C2H4N2

  40. A compound is found to contain 24.8% Carbon, 2.0% Hydrogen, and 73.2% Chlorine. With a molecular mass of 96.9g/mol, what is the molecular formula?

  41. C2H2Cl2

  42. A compound is found to contain 39.10% Carbon, 7.67% Hydrogen, 26.11% Oxygen, 16.82% Phosphorus, and 10.30% Fluorine. If the molecular mass is 184.1g/mol, what is the molecular formula? Good luck.

  43. C6H14O3PF

  44. What is the percent composition of Hydrogen in the compound H2O?

  45. 11.21%

  46. What is the percent composition of Carbon in the compound C6H12O6?

  47. 39.99%

  48. What is the percent composition of every element in H2SO4?

  49. Hydrogen: 2.06% Sulfur: 32.69% Oxygen: 65.25%

  50. What is the percent composition in every element of Zn(NO3)2?

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