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Limiting and Excess Lab

Limiting and Excess Lab. How much do I have left over? How much can be produced?. Citric Acid Sodium Carbonate Reaction. citric Acid + sodium carbonate yields sodium citrate + water + carbon dioxide __C 6 H 8 O 7 (aq)+__Na 2 CO 3 __Na 3 C 6 H 5 O 7 (aq)+_H 2 O(l) + __CO 2 (g).

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Limiting and Excess Lab

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  1. Limiting and Excess Lab How much do I have left over? How much can be produced?

  2. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate + water + carbon dioxide __C6H8O7(aq)+__Na2CO3__Na3C6H5O7(aq)+_H2O(l) + __CO2(g)

  3. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate + water + carbon dioxide __C6H8O7(aq)+__Na2CO3__Na3C6H5O7(aq)+_H2O(l) + __CO2(g)

  4. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide __C6H8O7(aq)+__Na2CO3__Na3C6H5O7(aq)+_H2O(l) + __CO2(g)

  5. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide __C6H8O7(aq)+__Na2CO3__Na3C6H5O7(aq)+_H2O(l) + __CO2(g)

  6. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide __C6H8O7(aq)+__Na2CO3__Na3C6H5O7(aq)+_H2O(l) + __CO2(g)

  7. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide __C6H8O7(aq)+__Na2CO3__Na3C6H5O7(aq)+_H2O(l) + __CO2(g)

  8. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide __C6H8O7(aq)+__Na2CO3__Na3C6H5O7(aq)+_H2O(l) + __CO2(g)

  9. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide __C6H8O7(aq)+__Na2CO3__Na3C6H5O7(aq)+_H2O(l) + __CO2(g)

  10. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide __C6H8O7(aq)+__Na2CO3__Na3C6H5O7(aq)+_H2O(l)+ __CO2(g)

  11. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide __C6H8O7(aq)+__Na2CO3__Na3C6H5O7(aq)+_H2O(l)+ __CO2(g) 2Na 3Na

  12. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide __C6H8O7(aq)+ 3 Na2CO3__Na3C6H5O7(aq)+_H2O(l)+ __CO2(g) 6Na 3Na

  13. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide __C6H8O7(aq)+ 3 Na2CO3__Na3C6H5O7(aq)+_H2O(l)+ __CO2(g) 6Na 3Na

  14. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide __C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+_H2O(l)+ __CO2(g) 6Na 6Na

  15. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide __C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+_H2O(l)+ __CO2(g) 6Na 6Na

  16. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide __C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+_H2O(l)+ __CO2(g) 6Na 6Na 6 C 3 C 12C 1C

  17. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+_H2O(l)+ __CO2(g) 6Na 6Na 6 C 3 C 12C 1C

  18. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+_H2O(l)+ __CO2(g) 6Na 6Na 6 C 3 C 12C 1C 12C 3 C 12C 1C

  19. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+_H2O(l)+ 3 CO2(g) 6Na 6Na 6 C 3 C 12C 1C 12C 3 C 12C 1C 12C 3 C 12C 3C

  20. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+_H2O(l)+ 3 CO2(g) 6Na 6Na 6 C 3 C 12C 1C 12C 3 C 12C 1C 12C 3 C 12C 3C 16 H 10H 2H

  21. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+_H2O(l)+ 3 CO2(g) 6Na 6Na 6 C 3 C 12C 1C 12C 3 C 12C 1C 12C 3 C 12C 3C 16 H 10H 2H

  22. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) 6Na 6Na 6 C 3 C 12C 1C 12C 3 C 12C 1C 12C 3 C 12C 3C 16 H 10H 2H 10H 6H 14O 9O 14O 3O 6O

  23. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) 6Na 6Na 6 C 3 C 12C 1C 12C 3 C 12C 1C 12C 3 C 12C 3C 16 H 10H 2H 10H 6H 14O 9O 14O 3O 6O

  24. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) 6Na 6Na 6 C 3 C 12C 1C 12C 3 C 12C 1C 12C 3 C 12C 3C 16 H 10H 2H 10H 6H 14O 9O 14O 3O 6O Balanced

  25. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g)

  26. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Method:

  27. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Method: Find mass of styrofoam cup + 60ml of water

  28. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Method: Find mass of styrofoam cup + 60ml of water = 63.34g Find mass of styrofoam cup + 60ml of water + citric acid =69.16 g

  29. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Method: Find mass of styrofoam cup + 60ml of water = 63.34g Find mass of styrofoam cup + 60ml of water + citric acid =69.16 g

  30. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Method: Find mass of styrofoam cup + 60ml of water = 63.34g Find mass of styrofoam cup + 60ml of water + citric acid =69.16g

  31. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Method: Find mass of styrofoam cup + 60ml of water = 63.34g Find mass of styrofoam cup + 60ml of water + citric acid =69.16g Find mass of plastic cup + sodium carbonate =18.25g

  32. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Method: Find mass of styrofoam cup + 60ml of water = 63.34g Find mass of styrofoam cup + 60ml of water + citric acid =69.16g Find mass of plastic cup + sodium carbonate =18.25g Add sodium carbonate to the styrofoam cup + 60ml water + citric Acid CO2

  33. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Method: Find mass of styrofoam cup + 60ml of water = 63.34g Find mass of styrofoam cup + 60ml of water + citric acid =69.16g Find mass of plastic cup + sodium carbonate =18.25g Add sodium carbonate to the styrofoam cup + 60ml water + citric Acid Find mass of plastic cup and any sodium carbonate left in cup =15.86g CO2

  34. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Method: Find mass of styrofoam cup + 60ml of water = 63.34g Find mass of styrofoam cup + 60ml of water + citric acid =69.16g Find mass of plastic cup + sodium carbonate =18.25g Add sodium carbonate to the styrofoam cup + 60ml water + citric Acid Find mass of plastic cup and any sodium carbonate left in cup =15.86g Find mass of styrofoam cup + 60 ml water + reaction mixture after fizzing =70.49g CO2

  35. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Results: The following table can be used to determine the which reaction is in excess and how much is in excess. mass of styrofoam cup + 60ml of water = 63.34g mass of styrofoam cup + 60ml of water + citric acid = 69.16g mass of plastic cup + sodium carbonate = 18.25g mass of plastic cup and any sodium carbonate left in cup = 15.86g mass of styrofoam cup + 60 ml water + reaction mixture after fizzing = 70.49g

  36. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Results: The following table can be used to determine the which reaction is in excess and how much is in excess. mass of styrofoam cup + 60ml of water = 63.34g mass of styrofoam cup + 60ml of water + citric acid = 69.16g mass of plastic cup + sodium carbonate = 18.25g mass of plastic cup and any sodium carbonate left in cup = 15.86g mass of styrofoam cup + 60 ml water + reaction mixture after fizzing = 70.49g Determine mass of citric acid used:

  37. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Results: The following table can be used to determine the which reaction is in excess and how much is in excess. mass of styrofoam cup + 60ml of water = 63.34g mass of styrofoam cup + 60ml of water + citric acid = 69.16g mass of plastic cup + sodium carbonate = 18.25g mass of plastic cup and any sodium carbonate left in cup = 15.86g mass of styrofoam cup + 60 ml water + reaction mixture after fizzing = 70.49g Determine mass of citric acid used: 69.16g – 63.34g = 5.82g C6H8O7

  38. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Results: The following table can be used to determine the which reaction is in excess and how much is in excess. mass of styrofoam cup + 60ml of water = 63.34g mass of styrofoam cup + 60ml of water + citric acid = 69.16g mass of plastic cup + sodium carbonate = 18.25g mass of plastic cup and any sodium carbonate left in cup = 15.86g mass of styrofoam cup + 60 ml water + reaction mixture after fizzing = 70.49g Determine mass of citric acid used: 69.16g – 63.34g = 5.82g C6H8O7 Determine mass of sodium carbonate used:

  39. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Results: The following table can be used to determine the which reaction is in excess and how much is in excess. mass of styrofoam cup + 60ml of water = 63.34g mass of styrofoam cup + 60ml of water + citric acid = 69.16g mass of plastic cup + sodium carbonate = 18.25g mass of plastic cup and any sodium carbonate left in cup = 15.86g mass of styrofoam cup + 60 ml water + reaction mixture after fizzing = 70.49g Determine mass of citric acid used: 69.16g – 63.34g = 5.82g C6H8O7 Determine mass of sodium carbonate used:18.25g -15.86g = 2.39g Na2CO3

  40. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Determine mass of citric acid used: 69.16g – 63.34g = 5.82g C6H8O7 Determine mass of sodium carbonate used:18.25g -15.86g = 2.39g Na2CO3 Determine the mass of sodium carbonate needed to react with 5.82g C6H8O7

  41. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Determine mass of citric acid used: 69.16g – 63.34g = 5.82g C6H8O7 Determine mass of sodium carbonate used:18.25g -15.86g = 2.39g Na2CO3 Determine the mass of sodium carbonate needed to react with 5.82g C6H8O7 5.82g C6H8O7( 1mole C6H8O7 ) ( 3 Na2CO3 ) (106g Na2CO3) 4.82g Na2CO3 ( 192.0g C6H8O7 )( 2 C6H8O7 ) (1mole Na2CO3) Have

  42. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Determine mass of citric acid used: 69.16g – 63.34g = 5.82g C6H8O7 Determine mass of sodium carbonate used:18.25g -15.86g = 2.39g Na2CO3 Determine the mass of sodium carbonate needed to react with 5.82g C6H8O7 5.82g C6H8O7( 1mole C6H8O7 ) ( 3 Na2CO3 ) (106g Na2CO3) 4.82g Na2CO3 ( 192.0g C6H8O7 ) ( 2 C6H8O7 ) (1mole Na2CO3) Have

  43. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Determine mass of citric acid used: 69.16g – 63.34g = 5.82g C6H8O7 Determine mass of sodium carbonate used:18.25g -15.86g = 2.39g Na2CO3 Determine the mass of sodium carbonate needed to react with 5.82g C6H8O7 5.82g C6H8O7( 1mole C6H8O7 ) ( 3 Na2CO3 ) (106g Na2CO3) 4.82g Na2CO3 ( 192.0g C6H8O7 ) ( 2 C6H8O7 ) (1mole Na2CO3) Have

  44. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Determine mass of citric acid used: 69.16g – 63.34g = 5.82g C6H8O7 Determine mass of sodium carbonate used:18.25g -15.86g = 2.39g Na2CO3 Determine the mass of sodium carbonate needed to react with 5.82g C6H8O7 5.82g C6H8O7( 1mole C6H8O7 )( 3 Na2CO3 ) (106g Na2CO3) 4.82g Na2CO3 ( 192.0g C6H8O7 ) ( 2 C6H8O7 ) (1mole Na2CO3) Have

  45. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Determine mass of citric acid used: 69.16g – 63.34g = 5.82g C6H8O7 Determine mass of sodium carbonate used:18.25g -15.86g = 2.39g Na2CO3 Determine the mass of sodium carbonate needed to react with 5.82g C6H8O7 5.82g C6H8O7( 1mole C6H8O7 )( 3 Na2CO3 )(106g Na2CO3) 4.82g Na2CO3 ( 192.0g C6H8O7 ) ( 2 C6H8O7 )(1mole Na2CO3) Have

  46. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Determine mass of citric acid used: 69.16g – 63.34g = 5.82g C6H8O7 Determine mass of sodium carbonate used:18.25g -15.86g = 2.39g Na2CO3 Determine the mass of sodium carbonate needed to react with 5.82g C6H8O7 5.82g C6H8O7( 1mole C6H8O7 )( 3 Na2CO3 )(106g Na2CO3)4.82g Na2CO3 ( 192.0g C6H8O7 ) ( 2 C6H8O7 )(1mole Na2CO3) Have

  47. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Determine mass of citric acid used: 69.16g – 63.34g = 5.82g C6H8O7 Determine mass of sodium carbonate used:18.25g -15.86g = 2.39g Na2CO3 Determine the mass of sodium carbonate needed to react with 5.82g C6H8O7 5.82g C6H8O7( 1mole C6H8O7 )( 3 Na2CO3 )(106g Na2CO3)4.82g Na2CO3 ( 192.0g C6H8O7 ) ( 2 C6H8O7 )(1mole Na2CO3) Needed Have

  48. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Determine mass of citric acid used: 69.16g – 63.34g = 5.82g C6H8O7 Determine mass of sodium carbonate used:18.25g -15.86g = 2.39g Na2CO3 Determine the mass of sodium carbonate needed to react with 5.82g C6H8O7 5.82g C6H8O7( 1mole C6H8O7 )( 3 Na2CO3 )(106g Na2CO3)4.82g Na2CO3 ( 192.0g C6H8O7 ) ( 2 C6H8O7 )(1mole Na2CO3) Needed Determine the mass of citric acid needed to react with 2.39g Na2CO3 2.39g Na2CO3 (1moleNa2CO3) (2 C6H8O7)(192g C6H8O7 ) =2.84g C6H8O7 Have(106g Na2CO3 )(3Na2CO3 )(1mole C6H8O7) Have

  49. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Determine mass of citric acid used: 69.16g – 63.34g = 5.82g C6H8O7 Determine mass of sodium carbonate used:18.25g -15.86g = 2.39g Na2CO3 Determine the mass of sodium carbonate needed to react with 5.82g C6H8O7 5.82g C6H8O7( 1mole C6H8O7 )( 3 Na2CO3 )(106g Na2CO3)4.82g Na2CO3 ( 192.0g C6H8O7 ) ( 2 C6H8O7 )(1mole Na2CO3) Needed Determine the mass of citric acid needed to react with 2.39g Na2CO3 2.39g Na2CO3(1moleNa2CO3) (2 C6H8O7)(192g C6H8O7 ) =2.84g C6H8O7 Have(106g Na2CO3 )(3Na2CO3 )(1mole C6H8O7) Have

  50. Citric Acid Sodium Carbonate Reaction citric Acid + sodium carbonate yields sodium citrate +water + carbon dioxide 2 C6H8O7(aq)+ 3 Na2CO3 2 Na3C6H5O7(aq)+ 3 H2O(l)+ 3 CO2(g) Determine mass of citric acid used: 69.16g – 63.34g = 5.82g C6H8O7 Determine mass of sodium carbonate used:18.25g -15.86g = 2.39g Na2CO3 Determine the mass of sodium carbonate needed to react with 5.82g C6H8O7 5.82g C6H8O7( 1mole C6H8O7 )( 3 Na2CO3 )(106g Na2CO3)4.82g Na2CO3 ( 192.0g C6H8O7 ) ( 2 C6H8O7 )(1mole Na2CO3) Needed Determine the mass of citric acid needed to react with 2.39g Na2CO3 2.39g Na2CO3(1moleNa2CO3) (2 C6H8O7)(192g C6H8O7 ) =2.84g C6H8O7 Have(106g Na2CO3 ) (3Na2CO3 )(1mole C6H8O7) Have

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