prénom: citric acid; 2-hydroxypropane-1,2,3-tricarboxylic acid; hydrogen citrate
* IUPAC
Numero CAS: 77-92-9
Formule chimique: C₆H₈O₇
Masse molaire: 192.12352 g
Pourcentage de masse: C 37.509 %; H 4.1970 %; O 58.293 % 

• BIO • acide carboxylique

• "...is found in the juices of lemons, oranges, limes, gooseberries, and many other kinds of fruits." 1

• "An acid found in citrus fruits or prepared synthetically in the form of colorless crystals or white crystalline powder, which is soluble in water, ether, and alcohol. The hydrous form is used as a flavoring agent." 2

Obligations doubles: 3
Obligations Triple: 0
Obligations Sigma: 20
Obligations Pi: 3
Total: 23
carboxyl Groupes: 3
Les groupes hydroxylés: 1

3 NaHCO3 (aq) + 1 C6H8O7 (aq) → 3 CO2 (g) + 3 H2O (ℓ) + 1 NaC6H5O7 (aq) 3

Wikipédia

(1) - Brownlee, Raymond B., Fuller, Robert W., and Whitsit, Jesse E. Elements of Chemistry; Allyn and Bacon: Boston, Massachusetts, 1959; p 328.
(2) - Taber's Cyclopedic Medical Dictionary, 18th ed.; F. A. David Company: Philadelphia, PA, 1997; p 21.
(3) - Zumdahl, Steven and Zumdahl, Susan A. Chemistry 9th ed.; Brooks/Cole: Belmont, CA, 2014; p 132.