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Vitamin C(Ascorbic Acid)Sara, Grassiela, Scarlett and Grace
v
What is the chemical formula, chemical
structure? Chemical formula – C6H8O6
Molar Mass & CAS Registry #
Molar mass- 176.14 g/mol
CAS # - 50-81-7
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.
Health Risks
A megados of vitamin C supplements may cause:
Diarrhea
Nausea
Vomiting
Heartburn
Abdominal cramps
Headache
Insomnia
Kidney stones
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.
juices...
Minute Maid
Orange Vitamin Water
Allen’s Fruit Punch
No name apple juice
Odwalla Mango Juice
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.
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.
Skills…
Materials: Burette and a pipette, micro pipette.
Starch indicator that tells when the reaction is done, it will change color.
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.
ReferencesZeratsky, 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:)