Six astronauts are still on the space station as part of a planned year-long stay in space, the longest tour of duty in the station's 15-year history.
The molecular formula of citric acid is C 6 H 8 O 7. The chemical formula for citric acid is best shown by a diagram of its complete structural formula. This shows how the atoms are arranged in the molecule. Citric acid has three carboxyl or-COOH groups and is triprotic in nature.
Sodium Citrate is a salt of Citric Acid that is commonly used in cosmetics and personal care products. Potassium Citrate, Aluminum Citrate, Diammonium Citrate, Ferric Citrate, Magnesium Citrate, Monosodium Citrate and Zinc Citrate are other salts of Citric Acid that may be used in cosmetics and personal care products.t is also frequently added to soft drinks. Citric Acid is a central compound in the citric acid cycle, a metabolic pathway in essentially all organisms that produces the energy used by cells. Some Citric Acid esters, such as Triethyl and Tributyl Citrate are plasticizers for resins, inks and polishes.