Chp 10 Review Game

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Chp 10 Review Game

  1. 1. <ul><li>Test Topics </li></ul><ul><li>Mole Conversions </li></ul><ul><li>Calculating Molar Mass </li></ul><ul><li>% Composition </li></ul><ul><li>Empirical and Molecular Formulas </li></ul>
  2. 2. <ul><li>2a.) </li></ul><ul><li>%C 40.68 </li></ul><ul><li>%H 5.08 </li></ul><ul><li>%O 54.24 </li></ul>
  3. 3. <ul><li>2b.) </li></ul><ul><li>%H 11.1 </li></ul><ul><li>%O 88.9 </li></ul>
  4. 4. <ul><li>2c.) </li></ul><ul><li>%N 21.2 </li></ul><ul><li>%H 6.06 </li></ul><ul><li>%S 24.24 </li></ul><ul><li>%O 48.48 </li></ul>
  5. 5. <ul><li>2d.) </li></ul><ul><li>%C 71.58 </li></ul><ul><li>%H 6.67 </li></ul><ul><li>%N 4.91 </li></ul><ul><li>%O 16.84 </li></ul>
  6. 6. <ul><li>2e.) </li></ul><ul><li>%S 47.8% </li></ul><ul><li>%Cl 52.2% </li></ul>
  7. 7. <ul><li>2f.) </li></ul><ul><li>%Li 14.89% </li></ul><ul><li>%S 34.04% </li></ul><ul><li>%O 51.06% </li></ul>
  8. 8. <ul><li>8a) CH 2 O </li></ul><ul><li>8b) HO </li></ul><ul><li>8c) CO 2 </li></ul>
  9. 9. <ul><li>10)CaCO 3 </li></ul>
  10. 10. <ul><li>11) CCl 2 F 2 </li></ul>
  11. 11. <ul><li>12) Mg 2 O </li></ul>
  12. 12. <ul><li>13) Ca 3 P 2 </li></ul>
  13. 13. <ul><li>14) Cs 2 S 3 </li></ul><ul><li>%Cs 73.5% </li></ul><ul><li>%S 26.4% </li></ul>
  14. 14. Chp. 10 Review Game
  15. 15. <ul><li>The unit used to measure the number of representative particles in a substance is… </li></ul>
  16. 16. <ul><li>Mole </li></ul>
  17. 17. <ul><li>The type of representative particles in a molecular compound are… </li></ul>
  18. 18. <ul><li>molecules </li></ul>
  19. 19. <ul><li>What is the molar mass of NaCl? </li></ul>
  20. 20. <ul><li>58g </li></ul>
  21. 21. <ul><li>What is the mass of one mole of Cu atoms? </li></ul>
  22. 22. <ul><li>64g </li></ul>
  23. 23. <ul><li>How many grams are in 3 moles of NaCl? </li></ul>
  24. 24. <ul><li>174g </li></ul>
  25. 25. <ul><li>How many formula units are in 3 moles of NaCl? </li></ul>
  26. 26. <ul><li>1.8066x10 24 formula units </li></ul>
  27. 27. <ul><li>What is the % composition of sodium in NaCl? </li></ul>
  28. 28. <ul><li>39.66% </li></ul>
  29. 29. <ul><li>The lowest whole number ratio of elements in a compound is called the formula. </li></ul>
  30. 30. <ul><li>Empirical Formula </li></ul>
  31. 31. <ul><li>What is the empirical formula of C 6 H 12 O 6 ? </li></ul>
  32. 32. <ul><li>CH 2 O </li></ul>
  33. 33. <ul><li>T or F: The molecular formula is a whole number ratio of its empirical formula. </li></ul>
  34. 34. <ul><li>True </li></ul>
  35. 35. <ul><li>The type of representative particle in an ionic compound is… </li></ul>
  36. 36. <ul><li>Formula unit </li></ul>
  37. 37. <ul><li>What is the chemical formula of Barium Sulfate? </li></ul>
  38. 38. <ul><li>BaSO 4 </li></ul>
  39. 39. <ul><li>What is the molar mass of BaSO 4 ? </li></ul>
  40. 40. <ul><li>233g </li></ul>
  41. 41. <ul><li>How many moles are in 364g of BaSO 4 ? </li></ul>
  42. 42. <ul><li>1.56 moles </li></ul>
  43. 43. <ul><li>How many formula units are in 2 mol of BaSO 4 ? </li></ul>
  44. 44. <ul><li>1.2 x 10 24 formula units </li></ul>
  45. 45. <ul><li>What is the % composition of Barium in BaSO 4 ? </li></ul>
  46. 46. <ul><li>59% </li></ul>
  47. 47. <ul><li>What is the empirical formula of a compound containing 40% Sulfur and 60% Oxygen? </li></ul>
  48. 48. <ul><li>SO 3 </li></ul>
  49. 49. <ul><li>58 g of Ba react with 40 g of Cl. What is the % composition of Ba? </li></ul>
  50. 50. <ul><li>59.2% </li></ul>
  51. 51. <ul><li>How many grams are in 6.022 x 10 23 atoms of Cu? </li></ul>
  52. 52. <ul><li>64 g </li></ul>
  53. 53. <ul><li>How many grams are 3.46 x 10 24 particles of Lithium Cyanide? </li></ul>
  54. 54. <ul><li>189.6g </li></ul>
  55. 55. <ul><li>A compound consists of 94.1% O and 5.9% H. What is the empirical formula of this compound? </li></ul>
  56. 56. <ul><li>HO </li></ul>
  57. 57. <ul><li>What is the % composition of N when 265 g N combine with 340 g of O? </li></ul>
  58. 58. <ul><li>43% </li></ul>

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