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.
Citric acid is an organic acid that is a component of all aerobic living organisms â most abundantly, and not surprisingly, in citrus fruit.This weak acid has been used as an additive in processed foods for more than 100 years as a preservative, a sour flavoring, or an emulsifying agent.itric acid used to be made from fruit. Now itâs more commonly made from feeding sugars to black mold and processed using sulfuric acid. Citric acid is in just about all processed foods. Itâs also often found in kitchen cleaners, and does a great job removing mineral deposits from chrome.