1. Vitamin C (Ascorbic Acid) Sara, Grassiela, Scarlett and Grace

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3. What is the chemical formula, chemical structure? Chemical formula – C 6 H 8 O 6

4. Molar Mass & CAS Registry # Molar mass- 176.14 g/mol CAS # - 50-81-7

5. Health Benefits… Vitamin C is needed to make collagen which is important for the skin, the gums, the teeth, blood vessels, bone ligaments and tendons. It’s a powerful antioxidant. It also helps prevent chronic degenerative disease.

6. Health Risks A megados of vitamin C supplements may cause: A megados of vitamin C supplements may cause:DiarrheaNauseaVomitingHeartburn Abdominal cramps HeadacheInsomnia Kidney stones

7. Recommended dose The recommended dose varies between 15 mg (for young children) and 120 mg (for breastfeeding women). Anything more than 2,000 milligrams (mg) a day could be harmful to the body.

8. juices... Minute Maid Orange Vitamin Water Allen’s Fruit Punch No name apple juice Odwalla Mango Juice

9. What do you do? Measure out 100 ml of the juice in a flask. Use the micropipette to measure out 2 ml of the starch indicator which we added to the juice.

10. Next We put a 50/50 diluted potassium iodide solution in a burette. We slowly added this to the juice sample until there was a noticeable short lasting change in the color. We calculated how much potassium iodide solution it took to change the color of the sample.

11. Skills… Materials: Burette and a pipette, micro pipette. Starch indicator that tells when the reaction is done, it will change color.

12. Techniques… Techniques- titration is when you add a substance to the substance that you're working with and it will react with the amount. It will show how much is there. Pipetting- you draw an exact amount of the substance into the pipette.

13. References Zeratsky, K. (2011, 10 02). Mayo clinic. Retrieved from http://www.mayoclinic.com/health/vitamin-c/AN01801 Wikipedia, the free encyclopedia. (n.d.). Retrieved from http://en.wikipedia.org/wiki/Ascorbic_acid Kristi Monson, K., & Arthur Schoenstadt, A. (2009, January 16). Vitamin c dosage. Retrieved from http://heart-disease.emedtv.com/vitamin- c/vitamin-c-dosage.html Mukherjee, K. (2010, Sept 20). Retrieved from http://topnews.net.nz/content/28330-vitamin-c-therapy-can-prevent-many- diseases Crow, J. M. (Designer). (2007). Vitamin c dosage. [Web Photo]. Retrieved from http://www.rsc.org/chemistryworld/News/2007/September/04090701.asp And Mrs. Lightfoot:)