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

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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:)