Question
Experiment Data:
1. Type of fruit juice: Apple Juice
2. Volume of fruit juice transferred: 20 mL 20 mL
Titrating the Fruit Juice
3. Molarity of NaOH solution, M 1M 1M
4. Final buret reading, mL Use same pipette; approved by instructor
5. Initial buret reading, mL 0 0
6. Volume of NaOH used, mL 2 mL 2.5 mL
7. Concentration of NaOH 0.5 0.5
8. Acceptable titration results N/A per instructor
Treating the “Discarded Rinses and Titration Mixtures” for Disposal:
9. Color of discarded rinses and titration mixtures solution after addition of Thymol blue indicator solution: Colorless
10. Name and molarity of solution used to neutralize discarded rinses and titration mixtures solution: 1M HCl
Treatment of Data:
11. Number of moles of NaOH require, mol
12. Number of moles of citric acid C3H5O(COOH)3 titrated, mol
13. Mass of citric acid C3H5O(COOH)3 in sample, g
14. Mass of citric acid C3H5O(COOH)3 per mL, of undiluted juice, g
15. Mean mass of citric acid C3H5O(COOH)3 per mL, of undiluted juice, g