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More Stoichiometric Calculations

More Stoichiometric Calculations. More Stoichiometric Calculations. Moles to Mass. 2 Na + Cl 2 → 2 NaCl. 2 Na + Cl 2 → 2 NaCl If you use 1.25 mol of Cl 2 , what mass of NaCl will you get?. 2 Na + Cl 2 → 2 NaCl If you use 1.25 mol of Cl 2 , what mass of NaCl will you get?

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More Stoichiometric Calculations

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  1. More Stoichiometric Calculations

  2. More Stoichiometric Calculations Moles to Mass

  3. 2Na + Cl2 → 2NaCl

  4. 2Na + Cl2 → 2NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get?

  5. 2Na + Cl2 → 2NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation

  6. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation

  7. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know?

  8. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? 1.25 mol Cl2

  9. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? 1.25 mol Cl2 x

  10. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? Step 3: What do you need to know? 1.25 mol Cl2 x

  11. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? Step 3: What do you need to know? 1.25 mol Cl2 x = mol NaCl

  12. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? Step 3: What do you need to know? Step 4: Find the ratio 1.25 mol Cl2 x = mol NaCl

  13. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? Step 3: What do you need to know? Step 4: Find the ratio 1.25 mol Cl2 x = mol NaCl 2 mol NaCl 1 mol Cl2

  14. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? Step 3: What do you need to know? Step 4: Find the ratio 1.25 mol Cl2 x = mol NaCl 2 mol NaCl 1 mol Cl2

  15. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? Step 3: What do you need to know? Step 4: Find the ratio Step 5: Multiply 1.25 mol Cl2 x = mol NaCl 2 mol NaCl 1 mol Cl2

  16. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? Step 3: What do you need to know? Step 4: Find the ratio Step 5: Multiply 1.25 mol Cl2 x = 2.50 mol NaCl 2 mol NaCl 1 mol Cl2

  17. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? Step 3: What do you need to know? Step 4: Find the ratio Step 5: Multiply Step 6: Convert moles to grams 1.25 mol Cl2 x = 2.50 mol NaCl 2 mol NaCl 1 mol Cl2

  18. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? Step 3: What do you need to know? Step 4: Find the ratio Step 5: Multiply Step 6: Convert moles to grams 2.50 mol NaCl

  19. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? Step 3: What do you need to know? Step 4: Find the ratio Step 5: Multiply Step 6: Convert moles to grams 2.50 mol NaCl x =

  20. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? Step 3: What do you need to know? Step 4: Find the ratio Step 5: Multiply Step 6: Convert moles to grams 2.50 mol NaCl x = g NaCl mol NaCl

  21. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? Step 3: What do you need to know? Step 4: Find the ratio Step 5: Multiply Step 6: Convert moles to grams 2.50 mol NaCl x = g NaCl mol NaCl

  22. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? Step 3: What do you need to know? Step 4: Find the ratio Step 5: Multiply Step 6: Convert moles to grams 2.50 mol NaCl x = 58.44 g NaCl 1 mol NaCl

  23. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? Step 3: What do you need to know? Step 4: Find the ratio Step 5: Multiply Step 6: Convert moles to grams 2.50 mol NaCl x = 146.1 g 58.44 g NaCl 1 mol NaCl

  24. 2 Na + Cl2 → 2 NaCl If you use 1.25 mol of Cl2, what mass of NaCl will you get? Step 1: Balance the equation Step 2: What do you know? Step 3: What do you need to know? Step 4: Find the ratio Step 5: Multiply Step 6: Convert moles to grams 2.50 mol NaCl x = 146.1 g 58.44 g NaCl 1 mol NaCl

  25. What skills did we just use? • Balance an equation • Read a question and figure out what it is asking for • Find the molar mass of a compound • Use a conversion factor.

  26. NH4NO3 → N2O + 2H2O

  27. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes.

  28. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes.

  29. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3

  30. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3 mol H2O

  31. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3 mol H2O g H2O

  32. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = mol H2O g H2O

  33. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = 1 mol 80g mol H2O g H2O

  34. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = 1 mol 80g mol H2O g H2O

  35. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = .3125 mol NH4NO3 1 mol 80g mol H2O g H2O

  36. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = .3125 mol NH4NO3 .3125 mol NH4NO3 1 mol 80g mol H2O g H2O

  37. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = .3125 mol NH4NO3 .3125 mol NH4NO3x = 1 mol 80g mol H2O g H2O

  38. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = .3125 mol NH4NO3 .3125 mol NH4NO3x = 1 mol 80g 2 mol H2O 1 mol NH3NO3 mol H2O g H2O

  39. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = .3125 mol NH4NO3 .3125 mol NH4NO3x = 1 mol 80g 2 mol H2O 1 mol NH3NO3 mol H2O g H2O

  40. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = .3125 mol NH4NO3 .3125 mol NH4NO3x = .625 mol H2O 1 mol 80g 2 mol H2O 1 mol NH3NO3 g H2O

  41. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = .3125 mol NH4NO3 .3125 mol NH4NO3x = .625 mol H2O .625 mol H2O 1 mol 80g 2 mol H2O 1 mol NH3NO3 g H2O

  42. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = .3125 mol NH4NO3 .3125 mol NH4NO3x = .625 mol H2O .625 mol H2O x = 1 mol 80g 2 mol H2O 1 mol NH3NO3 g H2O

  43. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = .3125 mol NH4NO3 .3125 mol NH4NO3x = .625 mol H2O .625 mol H2O x = 1 mol 80g 2 mol H2O 1 mol NH3NO3 18 g H2O 1 mol H2O g H2O

  44. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = .3125 mol NH4NO3 .3125 mol NH4NO3x = .625 mol H2O .625 mol H2O x = 1 mol 80g 2 mol H2O 1 mol NH3NO3 18 g H2O 1 mol H2O g H2O

  45. NH4NO3 → N2O + 2H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = .3125 mol NH4NO3 .3125 mol NH4NO3x = .625 mol H2O .625 mol H2O x = 11.25 g H2O 1 mol 80g 2 mol H2O 1 mol NH3NO3 18 g H2O 1 mol H2O

  46. NH4NO3 → N2O + 2 H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = .3125 mol NH4NO3 .3125 mol NH4NO3x = .625 mol H2O .625 mol H2O x = 11.25 g H2O 1 mol 80g 2 mol H2O 1 mol NH3NO3 18 g H2O 1 mol H2O

  47. NH4NO3 → N2O + 2 H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = .3125 mol NH4NO3 .3125 mol NH4NO3x = .625 mol H2O .625 mol H2O x = 11.25 g H2O 1 mol 80g Should have the same number of significant digits 2 mol H2O 1 mol NH3NO3 18 g H2O 1 mol H2O

  48. NH4NO3 → N2O + 2 H2O Determine the mass of water produced when 25.0 g of ammonium nitrate decomposes. 25.0g NH4NO3x = .3125 mol NH4NO3 .3125 mol NH4NO3x = .625 mol H2O .625 mol H2O x = 11.3 g H2O 1 mol 80g Should have the same number of significant digits 2 mol H2O 1 mol NH3NO3 18 g H2O 1 mol H2O

  49. In-class work: Solve practice problems 11-14 on pages 360 & 362. You will be tested tomorrow on problems just like this. If you need help, now is the time to ask. .

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