ITAL 1060 Study Guide - Final Guide: Devo, Fairy, Psalm 95
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Mass of beaker: 59
Mass of beaker and citric acid: 61
Mass of beaker and citric acid (after cooling): 61.06 or 61.1
Volume of NaOH: 15mL
| Syringe Reading, mL | Citric acid added, mL | pH |
| 30 | 2 | 11.20 |
| 28 | 3 | 10.81 |
| 27 | 4 | 10.21 |
| 26 | 5 | 10. |
| 25 | 6 | 9.58 |
| 24 | 7 | 8.35 |
| 22 | 9 | 7.02 |
| 20 | 11 | 6.72 |
| 19 | 12 | 6.68 |
| 18 | 13 | 6.39 |
| 17 | 14 | 6.12 |
| 16 | 15 | 5.77 |
| 15 | 16 | 5.72 |
| 14 | 17 | 5.66 |
| 13 | 18 | 5.22 |
| Syringe Reading, mL | Citric acid added, mL | pH |
| 30 | 1 | 11.24 |
| 29 | 2 | 10.78 |
| 28 | 3 | 10.48 |
| 27 | 4 | 10.12 |
| 26 | 5 | 9.92 |
| 25 | 6 | 9.82 |
| 24 | 7 | 7.96 |
| 23 | 8 | 7.46 |
| 21 | 10 | 6.83 |
| 19 | 11 | 6.75 |
| 18 | 12 | 6.65 |
| 17 | 13 | 6.21 |
| 16 | 14 | 5.82 |
| 15 | 15 | 5.63 |
| 14 | 16 | 5.42 |
Mass of citric acid: 2g
Moles of citric acid: 0.0104
(MW = 192.0 g/mol)
Molarity of citric acid: 0.104M
(volume of solution = 100 mL)
Trial 1 equivalence point: 10+7=17/2= 8.5
Trial 2 equivalence point:10+7=17/2=8.5
Molarity (Trial 1):
Molarity (Trial 2):
Average Molarity:
I need help calculating the molarity of the citric acid per trial, please help and show work.
